// In ES2015 (or a polyfilled) environment, this will be Symbol.iterator // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317') export var SYMBOL_ITERATOR = typeof Symbol === 'function' && Symbol.iterator != null ? Symbol.iterator : '@@iterator'; // In ES2017 (or a polyfilled) environment, this will be Symbol.asyncIterator // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317') export var SYMBOL_ASYNC_ITERATOR = typeof Symbol === 'function' && Symbol.asyncIterator != null ? Symbol.asyncIterator : '@@asyncIterator'; // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317') export var SYMBOL_TO_STRING_TAG = typeof Symbol === 'function' && Symbol.toStringTag != null ? Symbol.toStringTag : '@@toStringTag';