export declare function isMcpConfigRecord(value: unknown): value is Record; export declare function toMcpStringRecord(value: unknown, options?: { onDroppedEntry?: (key: string, value: unknown) => void; }): Record | undefined; export declare function toMcpEnvRecord(value: unknown, options?: { onDroppedEntry?: (key: string, value: unknown) => void; }): Record | undefined; export declare function toMcpStringArray(value: unknown): string[] | undefined;