export interface StructuredOutputSpec<T = unknown> {
    name: string;
    description?: string;
    parse?: (value: unknown) => T;
}
export interface StructuredOutputResult<T = unknown> {
    spec: StructuredOutputSpec<T>;
    value: T;
}
export declare function defineStructuredOutput<T = unknown>(spec: StructuredOutputSpec<T>): StructuredOutputSpec<T>;
export declare function parseStructuredJson<T = unknown>(text: string, spec?: StructuredOutputSpec<T>): StructuredOutputResult<T>;