/**
 * Runtime validation schema and wrapper for transformers.js LLM adapter options.
 *
 * @module @nhtio/adk/batteries/llm/transformers_js/validation
 */
import type { TransformersJsAdapterOptions } from "./types";
/**
 * Validator schema for {@link TransformersJsAdapterOptions}. Rejects unknown keys (`.unknown(false)`)
 * and fills in defaults.
 */
export declare const transformersJsOptionsSchema: import("@nhtio/validation").ObjectSchema<TransformersJsAdapterOptions>;
/**
 * Validates raw adapter options against {@link transformersJsOptionsSchema}, filling in defaults.
 *
 * @param input - The raw options object to validate.
 * @returns The resolved options object with defaults applied.
 * @throws {@link @nhtio/adk/batteries!E_INVALID_TRANSFORMERS_JS_OPTIONS} when `input` is invalid.
 */
export declare const validateOptions: (input: unknown) => TransformersJsAdapterOptions;