/*!
 * Copyright 2026 WPPConnect Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Wid } from '..';
export declare function queryUsernameExists(username: string, key?: string, requestOrigin?: string): Promise<{
    wid: Wid;
    biz: boolean;
    bizInfo?: {
        verifiedName?: {
            isApi: boolean;
            level: string;
            name: string;
            privacyMode: any;
            serial: string;
        };
    };
    username?: string;
    wasUpdated: boolean;
    isUsernameSearch: true;
} | {
    keyRequired: true;
    username?: string;
    isUsernameSearch: true;
} | null>;