/**
 * Embedding provider abstraction.
 *
 * Default (no EMBEDDING_PROVIDER / `transformers` / `local`): **Transformers.js** on-device
 * — no API keys, first run may download a small model.
 *
 * Explicit cloud (opt-in):
 *   EMBEDDING_PROVIDER=openai  → OPENAI_API_KEY, dim 1536
 *   EMBEDDING_PROVIDER=voyage  → VOYAGE_API_KEY, dim 1024
 *
 * Local HTTP:
 *   EMBEDDING_PROVIDER=ollama  → OLLAMA_HOST, OLLAMA_EMBED_MODEL (default nomic-embed-text), dim 768
 *
 * Aliases: `local` and `auto` behave like `transformers`.
 */
export type EmbeddingProvider = 'transformers' | 'ollama' | 'openai' | 'voyage';
export type EmbeddingConfig = {
    provider: 'transformers';
    dim: number;
    model: string;
} | {
    provider: 'ollama';
    dim: number;
    model: string;
    baseUrl: string;
} | {
    provider: 'openai';
    dim: number;
    model: string;
    apiKey: string;
} | {
    provider: 'voyage';
    dim: number;
    model: string;
    apiKey: string;
};
export declare function resolveConfig(): EmbeddingConfig;
export declare function embed(text: string, cfg: EmbeddingConfig): Promise<number[]>;
export declare function embedBatch(texts: string[], cfg: EmbeddingConfig): Promise<number[][]>;
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