onOperation abstract method

FutureOr<GraphQLResult> onOperation(
  1. String? id,
  2. String query, [
  3. Map<String, dynamic>? variables,
  4. String? operationName,
])

Implementation

FutureOr<GraphQLResult> onOperation(
  String? id,
  String query, [
  Map<String, dynamic>? variables,
  String? operationName,
]);