type VerifierStatus = "safe" | "risky" | "invalid";
type FinderStatus = "found" | "not_found";
interface VerificationResult {
    status: VerifierStatus;
    email?: string;
    score: number;
    disposable: boolean;
    webmail: boolean;
}
interface FinderResult {
    status: FinderStatus;
    email?: string;
    name?: string;
    domain?: string;
    verification?: VerificationResult;
}
interface FinderResponse {
    status: "success";
    result?: FinderResult;
}
interface VerifierResponse {
    status: "success";
    result?: VerificationResult;
}
interface FinderOptions {
    domain: string;
    fullName?: string;
    firstName?: string;
    lastName?: string;
}
interface ClientOptions {
    apiKey: string;
    baseUrl?: string;
}

declare class FindMailXClient {
    private readonly apiKey;
    private readonly baseUrl;
    constructor(options: ClientOptions);
    findEmail(options: FinderOptions): Promise<FinderResponse>;
    verifyEmail(email: string): Promise<VerifierResponse>;
}

declare class FindMailXError extends Error {
    constructor(message: string);
}
declare class AuthenticationError extends FindMailXError {
    constructor();
}
declare class RateLimitError extends FindMailXError {
    constructor();
}
declare class NoCreditsError extends FindMailXError {
    constructor();
}

export { AuthenticationError, type ClientOptions, FindMailXClient, FindMailXError, type FinderOptions, type FinderResponse, type FinderResult, type FinderStatus, NoCreditsError, RateLimitError, type VerificationResult, type VerifierResponse, type VerifierStatus };