declare type BaseErrorCreationAttrs = {
    /** Original error that triggered this wrapper error. */
    original?: Error;
    /** A human-readable description of the error. */
    message?: string;
};
export declare type RecaptchaErrorCreationAttrs = BaseErrorCreationAttrs;
export declare class RecaptchaError extends Error implements RecaptchaErrorCreationAttrs {
    original?: Error;
    constructor(attrs: RecaptchaErrorCreationAttrs);
}
declare type APIErrorCreationAttrs = BaseErrorCreationAttrs;
export declare class RecaptchaAPIError extends RecaptchaError implements APIErrorCreationAttrs {
    type: 'api-error';
    constructor(attrs?: APIErrorCreationAttrs);
}
declare type ConnectionErrorCreationAttrs = BaseErrorCreationAttrs;
export declare class RecaptchaConnectionError extends RecaptchaError implements ConnectionErrorCreationAttrs {
    type: 'connection-error';
    constructor(attrs?: ConnectionErrorCreationAttrs);
}
declare type InvalidRequestErrorCreationAttrs = BaseErrorCreationAttrs;
export declare class RecaptchaInvalidRequestError extends RecaptchaError implements InvalidRequestErrorCreationAttrs {
    type: 'invalid-request-error';
    constructor(attrs?: InvalidRequestErrorCreationAttrs);
}
export {};