private boolean canRename() {
		return !(dataType instanceof BuiltInDataType ||
			dataType instanceof MissingBuiltInDataType || dataType instanceof Array ||
			dataType instanceof Pointer);
	}
Constructor
@param program the program containing the datatype to be renamed
@param dataType the datatype being renamed
@param newName the new name for the datatype
Ghidra/Features/Base/src/main/java/ghidra/features/base/replace/items/RenameDataTypeQuickFix.java