/** Local embedding services supported by the guided managed-memory setup. */
export type ManagedMemoryEmbeddingProvider = "ollama" | "lmstudio";
/** Stable service roots used by guided setup and by non-interactive defaults. */
export declare const DEFAULT_MEMORY_EMBEDDING_ENDPOINTS: Readonly<Record<ManagedMemoryEmbeddingProvider, string>>;
export interface DiscoverMemoryEmbeddingModelsOptions {
    readonly provider: ManagedMemoryEmbeddingProvider;
    readonly endpoint?: string;
    readonly apiKey?: string;
    readonly fetchImpl?: typeof fetch;
    readonly timeoutMs?: number;
}
export interface ProbeMemoryEmbeddingSelectionOptions extends DiscoverMemoryEmbeddingModelsOptions {
    readonly model: string;
    /** When supplied, fail if the service returns a vector with another dimension. */
    readonly expectedDimension?: number;
}
export interface MemoryEmbeddingProbeResult {
    readonly dimension: number;
}
/** Validate a provider service root before appending native API routes. */
export declare function memoryEmbeddingEndpointProblem(value: string | undefined): string | undefined;
/**
 * Discover only models whose service-native metadata explicitly marks them as
 * embedding-capable. Runtime chat-model catalogs are deliberately not reused.
 */
export declare function discoverMemoryEmbeddingModels(options: DiscoverMemoryEmbeddingModelsOptions): Promise<readonly string[]>;
/**
 * Prove one selected model through the service's real embedding endpoint and
 * return the actual vector dimension. Empty, non-numeric, non-finite, and
 * dimension-mismatched responses fail closed.
 */
export declare function probeMemoryEmbeddingSelection(options: ProbeMemoryEmbeddingSelectionOptions): Promise<MemoryEmbeddingProbeResult>;
//# sourceMappingURL=memory-embedding-service.d.ts.map