import { PublicKey } from '../publickey.js';
import { TransactionInstruction } from '../transaction/index.js';
/**
 * Params for creating an ed25519 instruction using a public key
 */
export declare type CreateEd25519InstructionWithPublicKeyParams = {
    publicKey: Uint8Array;
    message: Uint8Array;
    signature: Uint8Array;
    instructionIndex?: number;
};
/**
 * Params for creating an ed25519 instruction using a private key
 */
export declare type CreateEd25519InstructionWithPrivateKeyParams = {
    privateKey: Uint8Array;
    message: Uint8Array;
    instructionIndex?: number;
};
export declare class Ed25519Program {
    /**
     * Public key that identifies the ed25519 program
     */
    static programId: PublicKey;
    /**
     * Create an ed25519 instruction with a public key and signature. The
     * public key must be a buffer that is 32 bytes long, and the signature
     * must be a buffer of 64 bytes.
     */
    static createInstructionWithPublicKey(params: CreateEd25519InstructionWithPublicKeyParams): TransactionInstruction;
    /**
     * Create an ed25519 instruction with a private key. The private key
     * must be a buffer that is 64 bytes long.
     */
    static createInstructionWithPrivateKey(params: CreateEd25519InstructionWithPrivateKeyParams): TransactionInstruction;
}