docs: public Object set(int index, Object value) {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.entry(this, tc, "set", new Object[]{Integer.valueOf(index), value});
      try {
        // Need to validate the index and call getInternal here (rather than getValue) because
        // we don't want a SchemaViolationException if the field is initially just unset.
        checkIndex(index);
        Object ans = getInternal(index);
        if (ans == nullIndicator) {
          ans = null;
        }
        setValue(index, value);
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.exit(this, tc, "set", value);
        return ans;
      } catch (JMFException ex) {
        FFDCFilter.processException(ex, "com.ibm.ws.sib.mfp.jmf.impl.JSListImpl.set", "245", this);
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.exit(this, tc, "set", null);
        return null;
      }
    }