import { AxiosInstance } from 'axios';
export type UsernameStatus = 'approved' | 'reserved';
export interface UsernameApi {
    get(): Promise<{
        username?: string;
        status?: UsernameStatus;
    }>;
    set(username: string, transferAction?: 'none' | 'force_transfer'): Promise<{
        status: UsernameStatus;
    }>;
    remove(): Promise<{
        success: boolean;
    }>;
    suggestions(): Promise<string[]>;
}
export declare const createUsernameApi: (client: AxiosInstance, phoneNumberId: string) => UsernameApi;