export declare function getVideoId(urlOrId: string): string | null;
export declare function createToolResponse<T>(output: T): {
    content: Array<{
        type: "text";
        text: string;
    }>;
    structuredContent: T;
};
export declare function createErrorResponse(error: unknown): {
    content: Array<{
        type: "text";
        text: string;
    }>;
};
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