@graphql-tools/utils/typings/AccumulatorMap.d.ts

Common package containing utils and types for GraphQL tools

/**
 * ES6 Map with additional `add` method to accumulate items.
 */
export declare class AccumulatorMap<K, T> extends Map<K, Array<T>> {
    get [Symbol.toStringTag](): string;
    add(key: K, item: T): void;
}