type ArrayValueMap<Value, Key = string> = Map<Key, Value[]>;
declare function get<Value, Key = string>(map: ArrayValueMap<Value, Key>, key: Key): Value[];
declare function add<Value, Key = string>(map: ArrayValueMap<Value, Key>, key: Key, value: Value): void;
declare function create<Value, Key = string>(): Map<Key, Value[]>;
export declare const ArrayValueMapHelper: Readonly<{
    add: typeof add;
    get: typeof get;
    create: typeof create;
}>;
export {};
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