import type { LanguageModelV4CallOptions, LanguageModelV4StreamResult } from "@ai-sdk/provider";
/**
 * A candidate entry normalized to a single internal shape, regardless of which
 * of the three accepted `ProviderEntry` forms the user wrote.
 */
import { RouterAttemptRuntime } from "./router-attempt-runtime.js";
export declare class RouterStreamLanguageModel extends RouterAttemptRuntime {
    doStream(options: LanguageModelV4CallOptions): Promise<LanguageModelV4StreamResult>;
}