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]);