question: checks whether paths in a given fields mask are valid . concode_field_sep String FIELD_SEPARATOR_REGEX concode_elem_sep String FIELD_PATH_SEPARATOR concode_elem_sep String FIELD_PATH_SEPARATOR_REGEX concode_elem_sep boolean replaceMessageFields concode_elem_sep boolean replaceRepeatedFields concode_field_sep FieldMask fromStringList concode_elem_sep void setReplaceRepeatedFields concode_elem_sep FieldMask normalize concode_elem_sep FieldMask intersection concode_elem_sep void merge concode_elem_sep void merge concode_elem_sep boolean replaceMessageFields concode_elem_sep String toString concode_elem_sep FieldMask fromFieldNumbers concode_elem_sep FieldMask fromFieldNumbers concode_elem_sep FieldMask union concode_elem_sep void setReplaceMessageFields concode_elem_sep FieldMask fromString concode_elem_sep FieldMask fromString concode_elem_sep boolean replaceRepeatedFields
target: boolean function ( Class < ? extends Message > arg0 , FieldMask arg1 ) { Descriptor loc0 = Internal . getDefaultInstance ( arg0 ) . getDescriptorForType ( ) ; return isValid ( loc0 , arg1 ) ; }