/**
 * Enforce the strict unknown-options `TypeError` for a Sarvam provider's options.
 *
 * Any option key in `opts` that is not present in `known` triggers a `TypeError`,
 * surfacing typos and unsupported options at construction time.
 */
export declare function assertKnownSarvamOptions(className: string, opts: Record<string, any>, known: Set<string>): void;