import { Buffer } from 'buffer';
/**
 * 32-byte hash with reversed hex encoding.
 * This is useful for Bitcoin transaction hash, block hash and merkle proof
 */
export declare class H256 {
    private readonly buffer;
    private constructor();
    equals(hash: H256): boolean;
    compare(hash: H256): number;
    static fromBuffer(buffer: Uint8Array): H256;
    toBuffer(): Buffer;
    static fromHex(s: string): H256;
    toHex(): string;
    toString(): string;
    toJSON(): string;
}
/**
 * 33-byte compressed public key
 */
export declare class PublicKey {
    private readonly buffer;
    private constructor();
    equals(hash: PublicKey): boolean;
    compare(hash: PublicKey): number;
    static fromBuffer(buffer: Uint8Array): PublicKey;
    toBuffer(): Buffer;
    static fromHex(s: string): PublicKey;
    toHex(): string;
    toString(): string;
    toJSON(): string;
}
/**
 * 65-byte signature with recovery id
 */
export declare class Signature {
    private readonly buffer;
    private constructor();
    equals(hash: Signature): boolean;
    compare(hash: Signature): number;
    static fromBuffer(buffer: Uint8Array): Signature;
    toBuffer(): Buffer;
    static fromHex(s: string): Signature;
    toHex(): string;
    toString(): string;
    toJSON(): string;
}