import type { Stringifiable } from '..';
import type { Uint64 } from '../../dataStructures/uint64';
/** A key-value entry in the multimap */
export interface MMEntry<V> {
    key: Uint64;
    value: V[];
}
/** Represents a key-value store */
export interface MultiMapStore<V = Stringifiable> {
    length: number;
    get: ((key: Uint64) => V[] | undefined) | ((key: Uint64) => Promise<V[] | undefined>);
    set: (key: Uint64, value: V) => void;
    entries: () => AsyncGenerator<MMEntry<V>>;
    [Symbol.asyncIterator]: () => AsyncGenerator<MMEntry<V>>;
    close: () => void;
}
/** A constructor for a vector store */
export type MultiMapStoreConstructor<V = Stringifiable> = new () => MultiMapStore<V>;
/** A local multimap key-value store */
export declare class MultiMap<V = Stringifiable> implements MultiMapStore<V> {
    #private;
    /** Builds a new MultiMap */
    constructor();
    /** @returns - the length of the map */
    get length(): number;
    /**
     * Adds a value to the list of values associated with a key
     * @param key - the key
     * @param value - the value to store
     */
    set(key: Uint64, value: V): void;
    /**
     * Gets the list of values associated with a key
     * @param key - the key
     * @returns the list of values if the map contains values for the key
     */
    get(key: Uint64): V[] | undefined;
    /**
     * iterate through the values
     * @yields - The values in the store
     */
    entries(): AsyncGenerator<MMEntry<V>>;
    /**
     * iterate through the values
     * @returns - an iterator
     */
    [Symbol.asyncIterator](): AsyncGenerator<MMEntry<V>>;
    /** Closes the store */
    close(): void;
}
//# sourceMappingURL=index.d.ts.map