/**
 * Audit Calculator - Functional Programming
 *
 * Single Responsibility: Calculate audit metrics and scores from validation results
 * Pure functions, no state, no side effects
 */
import { ValidationResult, AuditSummary } from '../../shared/types';
/**
 * Audit metrics interface
 */
export interface AuditMetrics {
    totalChecks: number;
    passedChecks: number;
    failedChecks: number;
    warnings: number;
    criticalIssues: number;
    securityIssues: number;
    complianceIssues: number;
}
/**
 * Pure function to calculate audit summary from validation results
 */
export declare const calculateAuditSummary: (results: ValidationResult[]) => AuditSummary;
/**
 * Pure function to calculate metrics from validation results
 */
export declare const calculateMetrics: (results: ValidationResult[]) => AuditMetrics;
/**
 * Pure function to calculate score based on passed vs total checks
 */
export declare const calculateScore: (metrics: AuditMetrics) => number;
/**
 * Pure function to calculate grade based on score
 */
export declare const calculateGrade: (score: number) => "A" | "B" | "C" | "D" | "F";
/**
 * Pure function to generate recommendations based on validation results
 */
export declare const generateRecommendations: (results: ValidationResult[]) => string[];
/**
 * Pure function to create empty audit summary
 */
export declare const createEmptyAuditSummary: () => AuditSummary;
/**
 * Pure function to create empty metrics
 */
export declare const createEmptyMetrics: () => AuditMetrics;
/**
 * Pure function to get score description
 */
export declare const getScoreDescription: (score: number) => string;
/**
 * Pure function to check if score is passing
 */
export declare const isScorePassing: (score: number, threshold?: number) => boolean;
/**
 * Pure function to get grade color
 */
export declare const getGradeColor: (grade: "A" | "B" | "C" | "D" | "F") => string;
/**
 * Pure function to get audit health status
 */
export declare const getAuditHealthStatus: (metrics: AuditMetrics) => "healthy" | "warning" | "critical";
/**
 * Pure function to get audit priority
 */
export declare const getAuditPriority: (metrics: AuditMetrics) => "low" | "medium" | "high";
/**
 * Pure function to calculate audit efficiency
 */
export declare const calculateAuditEfficiency: (metrics: AuditMetrics) => number;
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