import type { MemoryBlockScope } from '../blocks/types.js';
import type { ExtractedValue, ExtractedValueStore } from './store.js';
/**
 * Default `ExtractedValueStore`: process memory, lost on restart.
 *
 * The composite key uses NUL as the separator. Every other candidate (`:`, `/`,
 * `|`) can occur inside a userId, which would let two distinct owners collide on
 * one map key — the exact class of defect the block stores still carry.
 */
export declare class InMemoryExtractedValueStore implements ExtractedValueStore {
    private readonly rows;
    private id;
    load(scope: MemoryBlockScope, owner: string, slug: string): Promise<ExtractedValue | null>;
    save(value: ExtractedValue, owner: string): Promise<void>;
    delete(scope: MemoryBlockScope, owner: string, slug: string): Promise<void>;
}