toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (caseSensitive != null) 'caseSensitive': caseSensitive!,
if (expressionValue != null) 'expressionValue': expressionValue!,
if (field != null) 'field': field!,
if (fieldIndex != null) 'fieldIndex': fieldIndex!,
if (kind != null) 'kind': kind!,
if (matchType != null) 'matchType': matchType!,
};