boolean (_Fields field) { if (field == null) { throw new java.lang.IllegalArgumentException(); } switch (field) { case SLICE: return isSetSlice(); case ROWS: return isSetRows(); case COLS: return isSetCols(); case FORMAT: return isSetFormat(); case TYPE: return isSetType(); case MAX: return isSetMax(); case MIN: return isSetMin(); case HEADERS: return isSetHeaders(); case DATA: return isSetData(); } throw new java.lang.IllegalStateException(); }