import type { LanguageModelV4CallOptions } from "@ai-sdk/provider";
export declare class CallOptionsContractError extends Error {
    readonly code = "call_options_contract_error";
    constructor(cause: unknown);
}
/** Isolate mutable option containers for one provider attempt. */
export declare function cloneCallOptions(options: LanguageModelV4CallOptions, abortSignal: AbortSignal | undefined): LanguageModelV4CallOptions;
/** Capture the caller-owned signal inside the same contract-error boundary. */
export declare function cloneInitialCallOptions(options: LanguageModelV4CallOptions): LanguageModelV4CallOptions;