import { type Signal } from './signals.js';
export declare const GLOBAL_SIGNAL_KEY_PREFIX = "__global_sig_";
export type SharedKeyPart = string | number;
export type SharedKey = string | readonly SharedKeyPart[];
export declare function sharedKey(...parts: readonly SharedKeyPart[]): string;
export declare function resolveSharedKey(key: SharedKey): string;
export declare function createSharedNamespace(namespace: string): {
    key: (...parts: readonly SharedKeyPart[]) => string;
    has: (key: SharedKey) => boolean;
    get: <T>(key: SharedKey) => Signal<T> | undefined;
    use: <T>(key: SharedKey, initial: T) => Signal<T>;
};
export declare function shared<T>(key: SharedKey, initial: T): Signal<T>;
export declare function hasShared(key: SharedKey): boolean;
export declare function getShared<T>(key: SharedKey): Signal<T> | undefined;
export declare function clearShared(): void;
export declare function createGlobalProperties(instance: any, globals: Record<string, {
    key?: SharedKey;
    initial?: unknown;
}>): void;
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