question: creates a new customizable refactoring descriptor initialized with its default values . this method may be reimplemented to return a language-specified refactoring descriptor which can be initialized using language-specific features . refactoring tool providers may reimplement this method to provide a uniform api to expose refactoring functionality in the form of refactoring descriptors . callers of this method are supposed to cast the resulting refactoring descriptor to the corresponding language-specific refactoring descriptor provided by the api of the refactoring tooling provider . note : this method is supposed to be reimplemented by clients wishing to provide customizable refactoring descriptors . concode_field_sep PlaceHolder placeHolder concode_field_sep Map<String,String> retrieveArgumentMap concode_elem_sep String getId
target: RefactoringDescriptor function ( ) { return null ; }