question: checks if actualtype can be converted to targettype . concode_field_sep ExtensionPointName<GrTypeConverter> EP_NAME concode_field_sep boolean isAllowedInMethodCall concode_elem_sep GrLiteral getLiteral concode_elem_sep Boolean isConvertible concode_elem_sep boolean isApplicableTo concode_elem_sep boolean isMethodCallConversion
target: ConversionResult function ( @ NotNull PsiType arg0 , @ NotNull PsiType arg1 , @ NotNull GroovyPsiElement arg2 , @ NotNull ApplicableTo arg3 ) { final Boolean loc0 = isConvertible ( arg0 , arg1 , arg2 ) ; return loc0 == null ? null : loc0 ? ConversionResult . OK : ConversionResult . ERROR ; }