this method should be used when you need to stub out creating nativemaps in unit tests . concode_field_sep PlaceHolder placeHolder concode_field_sep WritableArray createArray concode_elem_sep WritableMap fromBundle concode_elem_sep WritableArray fromArray concode_elem_sep WritableNativeArray fromJavaArgs concode_elem_sep Bundle toBundle
WritableMap function ( ) { return new WritableNativeMap ( ) ; }