import { GenericStore } from './generic-storage.js';
import { CreateCollectionOptions } from 'arangojs/collection.js';
export declare class KeyValueStore extends GenericStore {
    protected static _prefix: string;
    protected static kvstores: Map<string, KeyValueStore>;
    static open(name?: string, options?: CreateCollectionOptions): Promise<KeyValueStore>;
    static setValue<T>(key: string, value: T): Promise<import("arangojs/documents.js").DocumentMetadata & {
        _oldRev?: string;
    } & {
        new?: any;
        old?: any;
    }>;
    static setValues<T = unknown>(key: string, values: Record<string, T>): Promise<void[]>;
    static getValue<T = unknown>(key: string): Promise<T | undefined>;
    static getValue<T = unknown>(key: string, defaultValue: T): Promise<T>;
    setValue<T>(key: string, value: T): Promise<import("arangojs/documents.js").DocumentMetadata & {
        _oldRev?: string;
    } & {
        new?: any;
        old?: any;
    }>;
    unsetValue(key: string): Promise<import("arangojs/documents.js").DocumentMetadata & {
        old?: any;
    }>;
    getValue<T = unknown>(key: string): Promise<T | undefined>;
    getValue<T = unknown>(key: string, defaultValue: T): Promise<T>;
    setValues<T = unknown>(values: Record<string, T>, strict?: boolean): Promise<void[]>;
}
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