/// <reference types="@rbxts/compiler-types" />
import { ReadonlyStrictMap } from "../interfaces/ReadonlyStrictMap";
export declare class StrictMap<K, V> implements ReadonlyStrictMap<K, V> {
    private readonly getMissingKeyErrorMessage?;
    private map;
    constructor(entries?: ReadonlyArray<[K, V]>, getMissingKeyErrorMessage?: ((key: K) => string) | undefined);
    entries(): [K, V][];
    forEach(callbackfn: (value: V, key: K, self: this) => void): void;
    has(key: K): boolean;
    isEmpty(): boolean;
    keys(): K[];
    mustGet(key: K): V;
    size(): number;
    toReadonlyMap(): ReadonlyMap<K, V>;
    toString(): string;
    values(): V[];
    /**
     * Deletes all members of the Map
     */
    clear(): void;
    /**
     * Deletes the given key from the SafeMap.
     *
     * @returns A boolean indicating whether or not a value was removed.
     */
    delete(key: K): boolean;
    /**
     * Associates a key with a value which can be accessed later by `SafeMap.mustGet`
     */
    set(key: K, value: V): void;
}