import type { LettaConfig, Memory, MemorySearchResult, AddMemoryInput, SearchMemoryInput, UpdateMemoryInput, MemoryStats, MemoryLayer } from "./types";
export declare class LettaAdapter {
    private config;
    private endpoint;
    private agentCache;
    private modelCache;
    private modelCachePromise;
    private resolvedEmbeddingModel;
    private resolvedLlmModel;
    private providerInitPromise;
    constructor(config: LettaConfig);
    /**
     * Ensures the openai-proxy provider is registered in Letta when:
     * 1. Models with openai-proxy/ prefix exist (from OPENAI_API_BASE env var)
     * 2. No user-created openai-proxy provider exists
     * 3. Copilot proxy is available locally
     *
     * This fixes the provider mismatch where Letta's built-in OpenAI provider
     * creates models with openai-proxy/ handles but the provider is named "openai",
     * causing agent creation to fail.
     */
    ensureOpenAIProxyProvider(): Promise<void>;
    private doEnsureOpenAIProxyProvider;
    private isCopilotProxyAvailable;
    private getModels;
    /**
     * Resolves user model name to Letta handle. Letta requires exact handle matches
     * AND valid provider prefix (letta/, openai/). Models with other prefixes like
     * openai-proxy/ will fail agent creation even if registered in the model list.
     *
     * Returns the ORIGINAL handle from the model list (e.g., openai-proxy/model-name).
     * Normalization to Letta-compatible prefixes happens separately in getEmbeddingModel/getLlmModel.
     */
    private resolveModelHandle;
    private getEmbeddingModel;
    private getLlmModel;
    add(input: AddMemoryInput): Promise<Memory>;
    search(input: SearchMemoryInput): Promise<MemorySearchResult[]>;
    get(id: string): Promise<Memory | null>;
    update(input: UpdateMemoryInput): Promise<Memory>;
    delete(id: string): Promise<void>;
    getAll(layer?: MemoryLayer): Promise<Memory[]>;
    getStats(): Promise<MemoryStats>;
    isAvailable(): Promise<boolean>;
    private getOrCreateAgent;
    private agentNeedsEmbeddingUpdate;
    private recreateAgentWithCorrectEmbedding;
    private getAgent;
    private listAgents;
    private request;
    private getAgentName;
    private getUserId;
    private normalizeLayers;
    private getAllLayers;
    private passageToMemory;
}