import { Observable } from 'rxjs';
import { SubtrakService } from './subtrak.service';
import { EntitlementValue } from '../models';
import { EntitlementChecker } from '../utils/entitlement-checker';
import * as i0 from "@angular/core";
/**
 * Service for checking customer entitlements
 *
 * Handles all entitlement types: BOOLEAN, NUMERIC, ENUM, METERED
 *
 * @example
 * ```typescript
 * constructor(private entitlements: EntitlementsService) {}
 *
 * // Check if customer has a feature
 * this.entitlements.hasFeature('cus_123', 'premium_analytics').subscribe(hasAccess => {
 *   if (hasAccess) {
 *     // Show premium features
 *   }
 * });
 *
 * // Get numeric limit
 * this.entitlements.getLimit('cus_123', 'max_projects').subscribe(limit => {
 *   console.log('Project limit:', limit);
 * });
 * ```
 */
export declare class EntitlementsService {
    private subtrak;
    constructor(subtrak: SubtrakService);
    /**
     * Get all entitlements for a customer
     *
     * @param customerId - Customer ID
     * @returns Observable of entitlement values
     */
    getEntitlements(customerId: string): Observable<EntitlementValue[]>;
    /**
     * Check if customer has a BOOLEAN feature
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @returns Observable of boolean indicating if feature is enabled
     */
    hasFeature(customerId: string, code: string): Observable<boolean>;
    /**
     * Get NUMERIC limit value
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @returns Observable of the limit value (or null if not found)
     */
    getLimit(customerId: string, code: string): Observable<number | null>;
    /**
     * Get ENUM value
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @returns Observable of the enum string value (or null if not found)
     */
    getEnumValue(customerId: string, code: string): Observable<string | null>;
    /**
     * Check access with multi-type support
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @param requiredValue - Optional value to check against
     * @returns Observable of boolean indicating if access is granted
     */
    checkAccess(customerId: string, code: string, requiredValue?: any): Observable<boolean>;
    /**
     * Check if current usage is within a NUMERIC limit
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @param currentUsage - Current usage value
     * @returns Observable of boolean indicating if within limit
     */
    isWithinLimit(customerId: string, code: string, currentUsage: number): Observable<boolean>;
    /**
     * Get remaining quota for a NUMERIC limit
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @param used - Currently used amount
     * @returns Observable of remaining quota (or -1 for unlimited, null if not found)
     */
    getRemainingQuota(customerId: string, code: string, used: number): Observable<number | null>;
    /**
     * Get usage progress percentage (0-100)
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @param used - Currently used amount
     * @returns Observable of progress percentage (or -1 for unlimited, null if not found)
     */
    getProgress(customerId: string, code: string, used: number): Observable<number | null>;
    /**
     * Check if approaching limit (default: 90% threshold)
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @param used - Currently used amount
     * @param threshold - Warning threshold (0-1), default 0.9
     * @returns Observable of boolean indicating if approaching limit
     */
    isApproachingLimit(customerId: string, code: string, used: number, threshold?: number): Observable<boolean>;
    /**
     * Get formatted display value for an entitlement
     *
     * @param customerId - Customer ID
     * @param code - Entitlement code
     * @returns Observable of formatted string for display
     */
    getDisplayValue(customerId: string, code: string): Observable<string | null>;
    /**
     * Get all active BOOLEAN features
     *
     * @param customerId - Customer ID
     * @returns Observable of array of feature codes
     */
    getActiveFeatures(customerId: string): Observable<string[]>;
    /**
     * Get all NUMERIC limits as a map
     *
     * @param customerId - Customer ID
     * @returns Observable of map of code to limit value
     */
    getLimits(customerId: string): Observable<Record<string, number>>;
    /**
     * Create an EntitlementChecker instance from customer entitlements
     *
     * @param customerId - Customer ID
     * @returns Observable of EntitlementChecker instance
     */
    getChecker(customerId: string): Observable<EntitlementChecker>;
    static ɵfac: i0.ɵɵFactoryDeclaration<EntitlementsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<EntitlementsService>;
}