import { EntitlementValue } from '../models';
/**
 * Utility class for type-safe entitlement checking
 */
export declare class EntitlementChecker {
    private entitlements;
    constructor(entitlements: EntitlementValue[]);
    /**
     * Find an entitlement by code
     */
    private findEntitlement;
    /**
     * Check if a BOOLEAN feature is enabled
     * @returns true if feature exists and is enabled, false otherwise
     */
    hasFeature(code: string): boolean;
    /**
     * Get a NUMERIC limit value
     * @returns The numeric limit, or null if not found
     */
    getLimit(code: string): number | null;
    /**
     * Get an ENUM value
     * @returns The enum string value, or null if not found
     */
    getEnumValue(code: string): string | null;
    /**
     * Check if current usage is within a NUMERIC limit
     * @param code Entitlement code
     * @param currentUsage Current usage value
     * @returns true if within limit, false if exceeded or unlimited (-1)
     */
    isWithinLimit(code: string, currentUsage: number): boolean;
    /**
     * Get remaining quota for a NUMERIC limit
     * @param code Entitlement code
     * @param used Currently used amount
     * @returns Remaining quota, or -1 for unlimited, or null if not found
     */
    getRemainingQuota(code: string, used: number): number | null;
    /**
     * Get usage progress as a percentage (0-100)
     * @param code Entitlement code
     * @param used Currently used amount
     * @returns Progress percentage, or null if not found, or -1 for unlimited
     */
    getProgress(code: string, used: number): number | null;
    /**
     * Check if approaching limit (default threshold: 90%)
     * @param code Entitlement code
     * @param used Currently used amount
     * @param threshold Warning threshold (0-1), default 0.9
     * @returns true if approaching or at limit
     */
    isApproachingLimit(code: string, used: number, threshold?: number): boolean;
    /**
     * Generic access check supporting all entitlement types
     * @param code Entitlement code
     * @param requiredValue Optional value to check against (for NUMERIC/ENUM)
     * @returns true if access is granted
     */
    checkAccess(code: string, requiredValue?: any): boolean;
    /**
     * Get formatted display value for an entitlement
     * @param code Entitlement code
     * @returns Formatted string for display
     */
    getDisplayValue(code: string): string | null;
    /**
     * Get all active features (BOOLEAN entitlements that are true)
     * @returns Array of feature codes
     */
    getActiveFeatures(): string[];
    /**
     * Get all limits (NUMERIC entitlements)
     * @returns Map of code to limit value
     */
    getLimits(): Record<string, number>;
}