import type { Value } from '../interfaces/common.js';
import type { AztecAsyncSingleton } from '../interfaces/singleton.js';
import type { AztecSQLiteOPFSStore } from './store.js';
/** Stores a single value identified by `name`. */
export declare class SQLiteOPFSAztecSingleton<T extends Value> implements AztecAsyncSingleton<T> {
    #private;
    private readonly store;
    constructor(store: AztecSQLiteOPFSStore, name: string);
    getAsync(): Promise<T | undefined>;
    set(val: T): Promise<boolean>;
    delete(): Promise<boolean>;
}
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