import type { CreateMemoryRequest, CreateMemoryResponse, RecallRequest, RecallResponse, VerifyRequest, VerifyResponse, ForgetResponse, ScrubRequest, ScrubResponse, UsageResponse } from './types';
export interface LemmaClientOptions {
    apiKey: string;
    /** Defaults to the production /v2 base URL. Point at a local server in dev. */
    baseUrl?: string;
    /** Per-request timeout. Defaults to 10s. */
    timeoutMs?: number;
    /** Retries for 429 (honoring Retry-After) and transient network/5xx failures. Defaults to 3. */
    maxRetries?: number;
    /** Injectable for tests; defaults to the global fetch. */
    fetchImpl?: typeof fetch;
    /** Injectable for tests; avoids real sleeps in the backoff test. */
    sleep?: (ms: number) => Promise<void>;
}
export declare class LemmaClient {
    private readonly apiKey;
    private readonly baseUrl;
    private readonly timeoutMs;
    private readonly maxRetries;
    private readonly fetchImpl;
    private readonly sleep;
    constructor(options: LemmaClientOptions);
    /** Store a memory: claims + the evidence they're grounded in (see `collectEvidence`). */
    remember(request: CreateMemoryRequest): Promise<CreateMemoryResponse>;
    /** Search; every result comes back with a verified `state`, never a guess. */
    recall(request: RecallRequest): Promise<RecallResponse>;
    /** Batch-resolve freshness for known ids without a search round-trip. */
    verify(request: VerifyRequest): Promise<VerifyResponse>;
    /** Permanently forget a memory, scoped to your tenant. */
    forget(id: string): Promise<ForgetResponse>;
    /** Stateless secret-scrubbing pass over text or a serialized tool-call. */
    scrub(request: ScrubRequest): Promise<ScrubResponse>;
    /** Real, counted usage for your tenant — never an estimate. */
    usage(): Promise<UsageResponse>;
    /** Masked — never prints the raw key, including via `console.log`. */
    toString(): string;
    private request;
}
export default LemmaClient;