export declare class ProviderHttpError extends Error {
    statusCode?: number;
    response?: unknown;
    constructor(message: string, statusCode?: number, response?: unknown);
}
export declare class SinchApiError extends Error {
    statusCode?: number;
    errorCode?: string;
    details?: unknown;
    constructor(message: string, statusCode?: number, errorCode?: string, details?: unknown);
}