/**
 * Runtime validation schema and wrapper for WebLLM Embeddings adapter options.
 *
 * @module @nhtio/adk/batteries/embeddings/webllm/validation
 *
 * @remarks
 * Validates `WebLLMEmbeddingsAdapterOptions` at construction time. Throws
 * `E_INVALID_WEBLLM_EMBEDDINGS_OPTIONS` on failure. `model` is required; unknown top-level keys
 * are rejected so typos fail loud. WebGPU availability is checked at engine-resolution time (not
 * here), since an `engine` may be injected for tests/non-WebGPU paths.
 */
import type { WebLLMEmbeddingsAdapterOptions } from "./types";
/**
 * Validator schema for `WebLLMEmbeddingsAdapterOptions`. Rejects unknown top-level keys.
 */
export declare const webLLMEmbeddingsOptionsSchema: import("@nhtio/validation").ObjectSchema<WebLLMEmbeddingsAdapterOptions>;
/**
 * Validates an arbitrary input against `webLLMEmbeddingsOptionsSchema` and returns the resolved
 * options shape. Throws `E_INVALID_WEBLLM_EMBEDDINGS_OPTIONS` (carrying the validator's report on
 * `cause`) on failure.
 *
 * @param input - The raw options object to validate.
 * @returns The resolved options object with defaults filled in.
 */
export declare const validateOptions: (input: unknown) => WebLLMEmbeddingsAdapterOptions;