class GraphQL::StaticValidation::OperationNamesAreValidError

def code
  "uniquelyNamedOperations"
end

def initialize(message, path: nil, nodes: [], name: nil)
  super(message, path: path, nodes: nodes)
  @operation_name = name
end

def to_h
  extensions = {
    "code" => code
  }.tap { |h| h["operationName"] = operation_name unless operation_name.nil? }
  super.merge({
    "extensions" => extensions
  })
end