function Language.Java {

[ValidatePattern('\.(?>java)$')]
param()
$this = $myInvocation.MyCommand
if (-not $this.Self) {
$languageDefinition = New-Module {
    param()

    # Java files are named `.java`.
    $FilePattern = '\.(?>java)$'

    # Java Projects can be pom.xml (Maven) or Gradle
    $ProjectFilePattern = '(?>pom.xml|\.gradle$)'

    # Java is case sensitive.
    $CaseSensitive = $true

    # We start off by declaring a number of regular expressions:
    $startComment = '/\*' # * Start Comments ```\*```
    $endComment   = '\*/' # * End Comments   ```/*```
    $Whitespace   = '[\s\n\r]{0,}'
    # * IgnoredContext ```String.empty```, ```null```, blank strings and characters
    $IgnoredContext = "(?(?>$("null", '""', "''" -join '|'))\s{0,}){0,1}"
    
    $StartPattern = "(?${IgnoredContext}${startComment}\{$Whitespace)"    
    $EndPattern   = "(?$Whitespace\}${endComment}\s{0,}${IgnoredContext})"

    # Java's compiler is "javac" (if found)
    $Compiler = 'javac'
    $LanguageName = 'Java'
    Export-ModuleMember -Variable * -Function * -Alias *
} -AsCustomObject
$languageDefinition.pstypenames.clear()
$languageDefinition.pstypenames.add("Language")
$languageDefinition.pstypenames.add("Language.Java")
$this.psobject.properties.add([PSNoteProperty]::new('Self',$languageDefinition))
}
$this.Self
}