import { OnInit, OnDestroy, OnChanges, SimpleChanges } from '@angular/core';
import { UsageService, EntitlementsService } from '../../services';
import { UsageSummary } from '../../models';
import * as i0 from "@angular/core";
/**
 * Displays usage with progress bar and optional limit warnings
 *
 * @example
 * ```html
 * <subtrak-usage-meter
 *   [meterId]="'meter_api_calls'"
 *   [customerId]="customerId"
 *   [limitCode]="'max_api_calls'"
 *   [showOverageWarning]="true"
 *   [warningThreshold]="0.8">
 * </subtrak-usage-meter>
 * ```
 */
export declare class UsageMeterComponent implements OnInit, OnDestroy, OnChanges {
    private usageService;
    private entitlementsService;
    /**
     * Meter ID to track usage for
     */
    meterId: string;
    /**
     * Customer ID
     */
    customerId: string;
    /**
     * Entitlement code for the limit (optional)
     */
    limitCode?: string;
    /**
     * Whether to show overage warning
     */
    showOverageWarning: boolean;
    /**
     * Warning threshold (0-1), default 0.9 (90%)
     */
    warningThreshold: number;
    currentUsage: number;
    limit: number | null;
    usageSummary: UsageSummary | null;
    loading: boolean;
    error: string | null;
    private destroy$;
    constructor(usageService: UsageService, entitlementsService: EntitlementsService);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private loadUsageData;
    /**
     * Get progress percentage (0-100)
     */
    getProgressPercentage(): number;
    /**
     * Check if usage is approaching limit
     */
    isApproachingLimit(): boolean;
    /**
     * Check if usage has exceeded limit
     */
    hasExceededLimit(): boolean;
    /**
     * Get progress bar color class
     */
    getProgressColorClass(): string;
    /**
     * Get formatted usage display
     */
    getUsageDisplay(): string;
    /**
     * Get formatted limit display
     */
    getLimitDisplay(): string;
    /**
     * Get warning message
     */
    getWarningMessage(): string;
    /**
     * Get period display text
     */
    getPeriodDisplay(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<UsageMeterComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<UsageMeterComponent, "subtrak-usage-meter", never, { "meterId": { "alias": "meterId"; "required": true; }; "customerId": { "alias": "customerId"; "required": true; }; "limitCode": { "alias": "limitCode"; "required": false; }; "showOverageWarning": { "alias": "showOverageWarning"; "required": false; }; "warningThreshold": { "alias": "warningThreshold"; "required": false; }; }, {}, never, never, true, never>;
}