import { ClientSDK, RequestOptions } from "../lib/sdks.js";
import * as models from "../models/index.js";
import * as operations from "../models/operations/index.js";
export declare class Usage extends ClientSDK {
    /**
     * Retrieve TTS API usage data
     *
     * @remarks
     * Retrieves a list of all TTS API usage records filtered by a specified date range. All dates are in UTC+0 timezone.
     */
    getVoiceUsage(request: operations.GetVoiceUsageRequest, options?: RequestOptions): Promise<models.GetUsageListV1Response>;
    /**
     * Retrieve advanced API usage analytics
     *
     * @remarks
     * Retrieves API usage data with advanced features including time bucketing, multi-dimensional breakdowns, and pagination. All timestamps should be in RFC3339 format.
     */
    getUsage(request: operations.GetUsageRequest, options?: RequestOptions): Promise<models.UsageAnalyticsResponse>;
    /**
     * Retrieve credit balance
     *
     * @remarks
     * Retrieves credit balance of the user.
     */
    getCreditBalance(options?: RequestOptions): Promise<models.GetCreditBalanceResponse>;
}
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