/**
 * local.ts - Local llama.cpp adapter implementing EmbeddingProvider.
 *
 * Wraps an existing `LlamaCpp` instance so the legacy GGUF path looks like
 * any other EmbeddingProvider to upstream callers. Used as the default and
 * as the fallback target when `OpenAIEmbeddingsProvider` trips its breaker.
 */
import { type LlamaCpp } from "../llm.js";
import type { EmbeddingProvider, ProviderEmbedOptions, ProviderEmbedding, ProviderHealth, ProviderKind } from "./provider.js";
export type LocalLlamaCppProviderConfig = {
    /** Pre-built LlamaCpp instance (optional — falls back to global singleton). */
    llm?: LlamaCpp;
    /**
     * Stable model id reported via `getModelId()`. Defaults to "embeddinggemma"
     * to match the value in `content_vectors.model` for existing qmd installs.
     */
    modelId?: string;
};
export declare class LocalLlamaCppProvider implements EmbeddingProvider {
    readonly kind: ProviderKind;
    private readonly llm;
    private readonly modelId;
    private dimensions;
    private lastError;
    constructor(config?: LocalLlamaCppProviderConfig);
    getModelId(): string;
    getDimensions(): number | undefined;
    /**
     * Most recent thrown error from `llm.embed` / `llm.embedBatch`. Returns
     * `undefined` after a successful call or before the first call. See
     * `EmbeddingProvider.getLastError`.
     */
    getLastError(): string | undefined;
    healthcheck(_signal?: AbortSignal): Promise<ProviderHealth>;
    embed(text: string, options?: ProviderEmbedOptions): Promise<ProviderEmbedding | null>;
    embedBatch(texts: string[], options?: ProviderEmbedOptions): Promise<(ProviderEmbedding | null)[]>;
    dispose(): Promise<void>;
}