/**
 * Calculates the like-to-view ratio for a video
 * @param viewCount - Number of views as string or number
 * @param likeCount - Number of likes as string or number
 * @returns Like-to-view ratio rounded to 5 decimal places, or 0 if calculation fails
 */
export declare function calculateLikeToViewRatio(viewCount: string | number | null | undefined, likeCount: string | number | null | undefined): number;
/**
 * Calculates the comment-to-view ratio for a video
 * @param viewCount - Number of views as string or number
 * @param commentCount - Number of comments as string or number
 * @returns Comment-to-view ratio rounded to 5 decimal places, or 0 if calculation fails
 */
export declare function calculateCommentToViewRatio(viewCount: string | number | null | undefined, commentCount: string | number | null | undefined): number;