import { EventEmitter, OnInit, OnDestroy, OnChanges, SimpleChanges } from '@angular/core';
import { SubscriptionsService } from '../../services';
import { SubscriptionWithRelations, EntitlementValue } from '../../models';
import * as i0 from "@angular/core";
/**
 * Displays current subscription information with optional entitlements and usage
 *
 * @example
 * ```html
 * <subtrak-subscription-status
 *   [customerId]="customerId"
 *   [showEntitlements]="true"
 *   [showUsageMeters]="true"
 *   [showUpgradeButton]="true"
 *   (upgradeClicked)="onUpgrade()">
 * </subtrak-subscription-status>
 * ```
 */
export declare class SubscriptionStatusComponent implements OnInit, OnDestroy, OnChanges {
    private subscriptionsService;
    /**
     * Customer ID to fetch subscription for
     */
    customerId: string;
    /**
     * Whether to show entitlements list
     */
    showEntitlements: boolean;
    /**
     * Whether to show usage meters
     */
    showUsageMeters: boolean;
    /**
     * Whether to show upgrade button
     */
    showUpgradeButton: boolean;
    /**
     * Emitted when upgrade button is clicked
     */
    upgradeClicked: EventEmitter<void>;
    subscription: SubscriptionWithRelations | null;
    entitlements: EntitlementValue[];
    usageData: any;
    loading: boolean;
    error: string | null;
    private destroy$;
    constructor(subscriptionsService: SubscriptionsService);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private loadSubscriptionData;
    private loadAdditionalData;
    /**
     * Get status badge class
     */
    getStatusClass(): string;
    /**
     * Get formatted status text
     */
    getStatusText(): string;
    /**
     * Format date for display
     */
    formatDate(dateString: string | null): string;
    /**
     * Get days remaining in trial
     */
    getTrialDaysRemaining(): number | null;
    /**
     * Check if subscription is in trial
     */
    isInTrial(): boolean;
    /**
     * Check if subscription is active or in trial
     */
    isActiveOrTrial(): boolean;
    /**
     * Handle upgrade button click
     */
    onUpgrade(): void;
    /**
     * Format entitlement value for display
     */
    formatEntitlementValue(entitlement: EntitlementValue): string;
    /**
     * Track by function for entitlements
     */
    trackByCode(index: number, entitlement: EntitlementValue): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<SubscriptionStatusComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SubscriptionStatusComponent, "subtrak-subscription-status", never, { "customerId": { "alias": "customerId"; "required": true; }; "showEntitlements": { "alias": "showEntitlements"; "required": false; }; "showUsageMeters": { "alias": "showUsageMeters"; "required": false; }; "showUpgradeButton": { "alias": "showUpgradeButton"; "required": false; }; }, { "upgradeClicked": "upgradeClicked"; }, never, never, true, never>;
}