import { SecurityLevel } from "../types/cia";
/**
 * Utility functions for security level calculations and conversions
 *
 * ## Business Perspective
 *
 * These utilities provide a single source of truth for converting between
 * different security level representations (string, numeric, enum) and calculating
 * values derived from security levels. 🔒
 *
 * Centralizing these calculations ensures consistent security level interpretation
 * across business impact analysis, compliance mapping, and risk assessment.
 */
/**
 * Map security levels to numeric values for calculations
 */
export declare const SECURITY_LEVEL_VALUES: Record<SecurityLevel, number>;
/**
 * Get numeric value for a security level
 *
 * @param level - Security level or string representation
 * @returns Numeric value (0-4)
 */
export declare function getSecurityLevelValue(level: SecurityLevel | string): number;
/**
 * Get security level from numeric value
 *
 * @param value - Numeric value (0-4)
 * @returns Corresponding security level
 */
export declare function getSecurityLevelFromValue(value: number): SecurityLevel;
/**
 * Calculate overall security level from individual CIA components
 *
 * @param availabilityLevel - Availability security level
 * @param integrityLevel - Integrity security level
 * @param confidentialityLevel - Confidentiality security level
 * @param strategy - Calculation strategy ('min', 'max', 'avg', 'weighted')
 * @returns Calculated overall security level
 */
export declare function calculateOverallSecurityLevel(availabilityLevel: SecurityLevel, integrityLevel: SecurityLevel, confidentialityLevel: SecurityLevel, strategy?: 'min' | 'max' | 'avg' | 'weighted'): SecurityLevel;
/**
 * Get normalized value (0-100) for a security level
 * Used for visualization and progress indicators
 *
 * @param level - Security level
 * @returns Normalized value between 0-100
 */
export declare function getNormalizedSecurityValue(level: SecurityLevel): number;
/**
 * Compare two security levels
 *
 * @param levelA - First security level
 * @param levelB - Second security level
 * @returns -1 if A < B, 0 if A = B, 1 if A > B
 */
export declare function compareSecurityLevels(levelA: SecurityLevel, levelB: SecurityLevel): number;
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