export declare function verifyHashSignature(hash: string, signature: string, pub: string, opt?: {
    fallback?: boolean | undefined;
    encode?: string | undefined;
    raw?: boolean | undefined;
    check?: {
        m: any;
        s: string;
    } | undefined;
}): Promise<boolean>;
export declare function verifySignature(text: string, signature: string, pub: string, opt?: {
    fallback?: boolean | undefined;
    encode?: string | undefined;
    raw?: boolean | undefined;
    check?: {
        m: any;
        s: string;
    } | undefined;
}): Promise<boolean>;
export declare function verify(data: string | {
    m: string;
    s: string;
}, pub: string, opt?: {
    fallback?: boolean | undefined;
    encode?: string | undefined;
    raw?: boolean | undefined;
    check?: {
        m: any;
        s: string;
    } | undefined;
}): Promise<boolean | void>;
export declare function oldVerify(data: string | {
    m: string;
    s: string;
}, pub: string, opt?: {
    fallback?: boolean | undefined;
    encode?: string | undefined;
    raw?: boolean | undefined;
    check?: {
        m: any;
        s: string;
    } | undefined;
}): Promise<void>;