toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (candidateResponseColumns != null)
'candidateResponseColumns': candidateResponseColumns!,
if (promptColumn != null) 'promptColumn': promptColumn!,
if (rubricsColumn != null) 'rubricsColumn': rubricsColumn!,
if (samplingConfig != null) 'samplingConfig': samplingConfig!,
if (uri != null) 'uri': uri!,
};