export declare class EDDSAUtil {
    static sign(PrivateKey: string | undefined, hash: any): {
        Rx: string;
        Ry: string;
        s: string;
    };
    static formatted(hexString: string): string;
    static generateKeyPair(seed: any): {
        publicKeyX: string;
        publicKeyY: string;
        secretKey: string;
    };
    static pack(publicKeyX: string, publicKeyY: string): any;
}
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