src/etc/completions/x.py.ps1

using namespace System.Management.Automation
using namespace System.Management.Automation.Language

Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
    param($wordToComplete, $commandAst, $cursorPosition)

    $commandElements = $commandAst.CommandElements
    $command = @(
        'x.py'
        for ($i = 1; $i -lt $commandElements.Count; $i++) {
            $element = $commandElements[$i]
            if ($element -isnot [StringConstantExpressionAst] -or
                $element.StringConstantType -ne [StringConstantType]::BareWord -or
                $element.Value.StartsWith('-') -or
                $element.Value -eq $wordToComplete) {
                break
        }
        $element.Value
    }) -join ';'

    $completions = @(switch ($command) {
        'x.py' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('build', 'build', [CompletionResultType]::ParameterValue, 'Compile either the compiler or libraries')
            [CompletionResult]::new('check', 'check', [CompletionResultType]::ParameterValue, 'Compile either the compiler or libraries, using cargo check')
            [CompletionResult]::new('clippy', 'clippy', [CompletionResultType]::ParameterValue, 'Run Clippy (uses rustup/cargo-installed clippy binary)')
            [CompletionResult]::new('fix', 'fix', [CompletionResultType]::ParameterValue, 'Run cargo fix')
            [CompletionResult]::new('fmt', 'fmt', [CompletionResultType]::ParameterValue, 'Run rustfmt')
            [CompletionResult]::new('doc', 'doc', [CompletionResultType]::ParameterValue, 'Build documentation')
            [CompletionResult]::new('test', 'test', [CompletionResultType]::ParameterValue, 'Build and run some test suites')
            [CompletionResult]::new('bench', 'bench', [CompletionResultType]::ParameterValue, 'Build and run some benchmarks')
            [CompletionResult]::new('clean', 'clean', [CompletionResultType]::ParameterValue, 'Clean out build directories')
            [CompletionResult]::new('dist', 'dist', [CompletionResultType]::ParameterValue, 'Build distribution artifacts')
            [CompletionResult]::new('install', 'install', [CompletionResultType]::ParameterValue, 'Install distribution artifacts')
            [CompletionResult]::new('run', 'run', [CompletionResultType]::ParameterValue, 'Run tools contained in this repository')
            [CompletionResult]::new('setup', 'setup', [CompletionResultType]::ParameterValue, 'Set up the environment for development')
            [CompletionResult]::new('suggest', 'suggest', [CompletionResultType]::ParameterValue, 'Suggest a subset of tests to run, based on modified files')
            break
        }
        'x.py;build' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;check' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--all-targets', 'all-targets', [CompletionResultType]::ParameterName, 'Check all targets')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;clippy' {
            [CompletionResult]::new('-A', 'A ', [CompletionResultType]::ParameterName, 'clippy lints to allow')
            [CompletionResult]::new('-D', 'D ', [CompletionResultType]::ParameterName, 'clippy lints to deny')
            [CompletionResult]::new('-W', 'W ', [CompletionResultType]::ParameterName, 'clippy lints to warn on')
            [CompletionResult]::new('-F', 'F ', [CompletionResultType]::ParameterName, 'clippy lints to forbid')
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--fix', 'fix', [CompletionResultType]::ParameterName, 'fix')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;fix' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;fmt' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--check', 'check', [CompletionResultType]::ParameterName, 'check formatting instead of applying')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;doc' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--open', 'open', [CompletionResultType]::ParameterName, 'open the docs in a browser')
            [CompletionResult]::new('--json', 'json', [CompletionResultType]::ParameterName, 'render the documentation in JSON format in addition to the usual HTML format')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;test' {
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'skips tests matching SUBSTRING, if supported by test tool. May be passed multiple times')
            [CompletionResult]::new('--test-args', 'test-args', [CompletionResultType]::ParameterName, 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)')
            [CompletionResult]::new('--rustc-args', 'rustc-args', [CompletionResultType]::ParameterName, 'extra options to pass the compiler when running tests')
            [CompletionResult]::new('--extra-checks', 'extra-checks', [CompletionResultType]::ParameterName, 'comma-separated list of other files types to check (accepts py, py:lint, py:fmt, shell)')
            [CompletionResult]::new('--compare-mode', 'compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
            [CompletionResult]::new('--pass', 'pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
            [CompletionResult]::new('--run', 'run', [CompletionResultType]::ParameterName, 'whether to execute run-* tests')
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--no-fail-fast', 'no-fail-fast', [CompletionResultType]::ParameterName, 'run all tests regardless of failure')
            [CompletionResult]::new('--no-doc', 'no-doc', [CompletionResultType]::ParameterName, 'do not run doc tests')
            [CompletionResult]::new('--doc', 'doc', [CompletionResultType]::ParameterName, 'only run doc tests')
            [CompletionResult]::new('--bless', 'bless', [CompletionResultType]::ParameterName, 'whether to automatically update stderr/stdout files')
            [CompletionResult]::new('--force-rerun', 'force-rerun', [CompletionResultType]::ParameterName, 'rerun tests even if the inputs are unchanged')
            [CompletionResult]::new('--only-modified', 'only-modified', [CompletionResultType]::ParameterName, 'only run tests that result has been changed')
            [CompletionResult]::new('--rustfix-coverage', 'rustfix-coverage', [CompletionResultType]::ParameterName, 'enable this to generate a Rustfix coverage file, which is saved in `/<build_base>/rustfix_missing_coverage.txt`')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;bench' {
            [CompletionResult]::new('--test-args', 'test-args', [CompletionResultType]::ParameterName, 'test-args')
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
            break
        }
        'x.py;clean' {
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'Clean a specific stage without touching other artifacts. By default, every stage is cleaned if this option is not used')
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--all', 'all', [CompletionResultType]::ParameterName, 'Clean the entire build directory (not used by default)')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
            break
        }
        'x.py;dist' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
            break
        }
        'x.py;install' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
            break
        }
        'x.py;run' {
            [CompletionResult]::new('--args', 'args', [CompletionResultType]::ParameterName, 'arguments for the tool')
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;setup' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
        'x.py;suggest' {
            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
            [CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
            [CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')
            [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
            [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
            [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
            [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
            [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
            [CompletionResult]::new('--keep-stage', 'keep-stage', [CompletionResultType]::ParameterName, 'stage(s) to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--keep-stage-std', 'keep-stage-std', [CompletionResultType]::ParameterName, 'stage(s) of the standard library to keep without recompiling (pass multiple times to keep e.g., both stages 0 and 1)')
            [CompletionResult]::new('--src', 'src', [CompletionResultType]::ParameterName, 'path to the root of the rust checkout')
            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--jobs', 'jobs', [CompletionResultType]::ParameterName, 'number of jobs to run in parallel')
            [CompletionResult]::new('--warnings', 'warnings', [CompletionResultType]::ParameterName, 'if value is deny, will deny warnings if value is warn, will emit warnings otherwise, use the default configured behaviour')
            [CompletionResult]::new('--error-format', 'error-format', [CompletionResultType]::ParameterName, 'rustc error format')
            [CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'whether to use color in cargo and rustc output')
            [CompletionResult]::new('--llvm-skip-rebuild', 'llvm-skip-rebuild', [CompletionResultType]::ParameterName, 'whether rebuilding llvm should be skipped, overriding `skip-rebuld` in config.toml')
            [CompletionResult]::new('--rust-profile-generate', 'rust-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with rustc build')
            [CompletionResult]::new('--rust-profile-use', 'rust-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for rustc build')
            [CompletionResult]::new('--llvm-profile-use', 'llvm-profile-use', [CompletionResultType]::ParameterName, 'use PGO profile for LLVM build')
            [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive')
            [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml')
            [CompletionResult]::new('--run', 'run', [CompletionResultType]::ParameterName, 'run suggested tests')
            [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)')
            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--incremental', 'incremental', [CompletionResultType]::ParameterName, 'use incremental compilation')
            [CompletionResult]::new('--include-default-paths', 'include-default-paths', [CompletionResultType]::ParameterName, 'include default paths in addition to the provided ones')
            [CompletionResult]::new('--dry-run', 'dry-run', [CompletionResultType]::ParameterName, 'dry run; don''t build anything')
            [CompletionResult]::new('--json-output', 'json-output', [CompletionResultType]::ParameterName, 'use message-format=json')
            [CompletionResult]::new('--llvm-profile-generate', 'llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
            [CompletionResult]::new('--enable-bolt-settings', 'enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
            [CompletionResult]::new('--skip-stage0-validation', 'skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
            break
        }
    })

    $completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
        Sort-Object -Property ListItemText
}