/// <reference types="node" />
import type { CryptoAlgorithmName } from '../cipher';
import type { CompressOptions } from '../compress';
import type { NormalizedKeyDerivationOptions } from '../key-derivation-function';
export interface SimpleHeaderData {
    crypto: {
        nonceDiff: {
            addCounter: bigint;
        } | {
            addFixed: bigint;
            resetCounter: bigint;
        };
        authTag: Uint8Array;
    };
}
export interface HeaderData {
    crypto: {
        algorithmName: CryptoAlgorithmName;
        nonce: Uint8Array;
        authTag: Uint8Array;
    };
    key: {
        length: number;
        salt: Uint8Array;
        keyDerivationFunctionOptions: NormalizedKeyDerivationOptions;
    };
    compressAlgorithmName: CompressOptions['algorithm'] | undefined;
}
export interface HeaderDataWithCiphertextLength extends HeaderData {
    ciphertextLength: number;
}
export interface SimpleHeaderDataWithCiphertextLength extends SimpleHeaderData {
    ciphertextLength: number;
}
export declare function createHeader(data: HeaderDataWithCiphertextLength): Buffer;
export declare function createSimpleHeader(data: SimpleHeaderDataWithCiphertextLength): Buffer;