import type { KnowledgeAdapter, KnowledgeDoc } from "../index.js";
export interface MemoryKnowledgeAdapterOptions {
    docs?: KnowledgeDoc[];
}
/** Full-posture in-memory KnowledgeAdapter: the conformance stub (ENG-358
    gate) and the test double later engine work builds against. Naive
    substring retrieval — deliberately not a quality bar, just contract-true. */
export declare function memoryKnowledgeAdapter(options?: MemoryKnowledgeAdapterOptions): KnowledgeAdapter;