/**
 * Calculates Kendall's Tau-b rank correlation coefficient between two vectors
 * This implementation handles ties and uses an epsilon value for floating-point comparisons
 *
 * @param vectorA - First vector of numbers
 * @param vectorB - Second vector of numbers
 * @param epsilon - Threshold for considering two values as equal (default: 1e-10)
 * @returns The Kendall's Tau-b correlation coefficient
 */
export declare function kendallTau(vectorA: number[], vectorB: number[], epsilon?: number): number;