import type { ActiveKey, ActiveKeyOptions, KeymapEvent } from "../types.js";
export interface ActiveKeysCache<TTarget extends object, TEvent extends KeymapEvent> {
    version: number;
    notifyVersion: number;
    focused: TTarget | null | undefined;
    value: readonly ActiveKey<TTarget, TEvent>[];
    targets: WeakMap<TTarget, {
        version: number;
        value: readonly ActiveKey<TTarget, TEvent>[];
    }>;
    nullTarget?: {
        version: number;
        value: readonly ActiveKey<TTarget, TEvent>[];
    };
}
export interface ActiveKeysCaches<TTarget extends object, TEvent extends KeymapEvent> {
    plain: ActiveKeysCache<TTarget, TEvent>;
    bindings: ActiveKeysCache<TTarget, TEvent>;
    metadata: ActiveKeysCache<TTarget, TEvent>;
    bindingsAndMetadata: ActiveKeysCache<TTarget, TEvent>;
}
export declare function createActiveKeysCache<TTarget extends object, TEvent extends KeymapEvent>(): ActiveKeysCache<TTarget, TEvent>;
export declare function createActiveKeysCaches<TTarget extends object, TEvent extends KeymapEvent>(): ActiveKeysCaches<TTarget, TEvent>;
export declare function getActiveKeysCache<TTarget extends object, TEvent extends KeymapEvent>(caches: ActiveKeysCaches<TTarget, TEvent>, options?: ActiveKeyOptions): ActiveKeysCache<TTarget, TEvent>;
export declare function getFocusedActiveKeysCache<TTarget extends object, TEvent extends KeymapEvent>(cache: ActiveKeysCache<TTarget, TEvent>, cacheVersion: number, focused: TTarget | null): {
    version: number;
    value: readonly ActiveKey<TTarget, TEvent>[];
} | undefined;
export declare function setFocusedActiveKeysCache<TTarget extends object, TEvent extends KeymapEvent>(cache: ActiveKeysCache<TTarget, TEvent>, cacheVersion: number, focused: TTarget | null, value: readonly ActiveKey<TTarget, TEvent>[]): void;