/**
 * Overall Confidence Calculator
 *
 * Combines individual confidence scores (amount, currency, business, date)
 * into a single weighted overall confidence score.
 *
 * Formula: (amount × 0.4) + (currency × 0.2) + (business × 0.3) + (date × 0.1)
 */
export interface ConfidenceComponents {
    amount: number;
    currency: number;
    business: number;
    date: number;
}
/**
 * Calculate overall confidence score from individual components
 *
 * @param components - Individual confidence scores (each 0.0 to 1.0)
 * @returns Weighted overall confidence score (0.0 to 1.0, rounded to 2 decimals)
 *
 * @throws {Error} If any component is null or undefined
 * @throws {Error} If any component is outside the valid range [0.0, 1.0]
 *
 * @example
 * // Perfect match
 * calculateOverallConfidence({
 *   amount: 1.0,
 *   currency: 1.0,
 *   business: 1.0,
 *   date: 1.0
 * }) // Returns 1.0
 *
 * @example
 * // Mixed confidence
 * calculateOverallConfidence({
 *   amount: 0.9,
 *   currency: 1.0,
 *   business: 0.5,
 *   date: 0.8
 * }) // Returns 0.79
 */
export declare function calculateOverallConfidence(components: ConfidenceComponents): number;