boolean (_Fields field) { if (field == null) { throw new java.lang.IllegalArgumentException(); } switch (field) { case NAME: return isSetName(); case TYPE: return isSetType(); case QUALIFIER: return isSetQualifier(); case VALUE: return isSetValue(); case IS_CONTAINER: return isSetIsContainer(); case SHAPE: return isSetShape(); case IS_RETURNED_VALUE: return isSetIsReturnedValue(); case IS_IPYTHON_HIDDEN: return isSetIsIPythonHidden(); case IS_ERROR_ON_EVAL: return isSetIsErrorOnEval(); case TYPE_RENDERER_ID: return isSetTypeRendererId(); } throw new java.lang.IllegalStateException(); }