import { type LocalsKey, type LocalsManager } from "./types.js";
export declare class LocalsAPI implements LocalsManager {
    #private;
    private static _instance?;
    private constructor();
    static getInstance(): LocalsAPI;
    setGlobalLocalsManager(localsManager: LocalsManager): boolean;
    disable(): void;
    createLocal<T>(id: string): LocalsKey<T>;
    getLocal<T>(key: LocalsKey<T>): T | undefined;
    setLocal<T>(key: LocalsKey<T>, value: T): void;
}