import { type KeyTypes, type Widen } from 'type-plus';
import type { OnStateChange, ResetState, SetState, StateMeta } from './state.js';
export type ReadonlyRegistry<K extends KeyTypes, T> = {
    get(): Record<K, T>;
    onChange: OnStateChange<Record<K, T>>;
    keys(): K[];
    has(key: K): boolean;
    size(): number;
    values(): T[];
};
export type Registry<K extends KeyTypes, T> = ReadonlyRegistry<K, T> & {
    set: SetState<Record<K, T>>;
    reset: ResetState;
};
/**
 * Gets the Value type of the Registry (the `Record<K, T>`)
 */
export type RegistryValue<R extends Registry<any, any>> = ReturnType<R['get']>;
export declare function createRegistry<K extends KeyTypes, T>(init?: Record<K, T>, meta?: StateMeta): Registry<Widen<K>, T>;
export declare function toReadonlyRegistry<S extends Registry<any, any>>(registry: S): S extends Registry<infer K, infer T> ? ReadonlyRegistry<K, T> : never;
//# sourceMappingURL=registry.d.ts.map