class MyScript { #: System.Management.Automation.IValidateSetValuesGenerator {
    static [string[]] _GetValidValues([string]$wordToComplete,[bool]$CurrentOnly,[bool]$Strict) {
        $local:possibleValues = $(
            Get-MyPackages -ReturnFullPath -IncludeRoot -Force:$(-not $CurrentOnly) |
                Get-ChildItem -Filter '*.ps1' |
                Select-Object -ExpandProperty FullName | ForEach-Object {
                    $_ -replace '\.ps1$','' -replace "$($MyPSScriptRoot -replace '\\',"\\")[/\\]",''
                }
            )
        return $(Get-PossibleArguments -WordToComplete $wordToComplete -FullValueSet $possibleValues -Strict:$Strict );
    }
    
    [String[]] GetValidValues() {
        return [MyScript]::_GetValidValues('',$false,$true)
    }
}