docs: boolean isFieldVarying(int index) {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.entry(this, tc, "isFieldVarying", new Object[]{Integer.valueOf(index)});
  
      boolean result = map.fields[index].varying;
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.exit(this, tc, "isFieldVarying", Boolean.valueOf(result));
      return result;
    }