import { IDictionary } from "../../typescript/i-dictionary.js";
/**
 * @public
 * Used with dictionary that store arrays. Where an array exists for a given key the value will be appended to that array, otherwise a new array will be created containing the value.
 * @param dict - The object to check. May be modified.
 * @param key - The key to lookup in `dict`.
 * @param value - The value to push.
 * @remarks
 * See {@link dictionaryPush}.
 */
export declare function dictionaryPush<TItem>(dict: IDictionary<TItem[]>, key: keyof typeof dict, value: TItem): void;
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