import { PrivacyStrategy } from '../privacy/privacy';
import { DirectDownloadParameter } from './direct-download-parameter';
export declare class DirectDownloadParameterBuilder {
    static createFromTransactionHash(transactionHash: string, accountPrivateKey?: string, validateDigest?: boolean): DirectDownloadParameterBuilder;
    static createFromDataHash(dataHash: string, digest?: string): DirectDownloadParameterBuilder;
    private validateDigest;
    private transactionHash?;
    private accountPrivateKey?;
    private dataHash?;
    private privacyStrategy?;
    private digest?;
    private constructor();
    /**
     * Set the privacy strategy to decrypt the data
     * <br>
     * <br>
     * Privacy strategy defines how the data will be decrypted
     * @param privacyStrategy the privacy strategy
     * @return the same instance of this builder
     */
    withPrivacyStrategy(privacyStrategy: PrivacyStrategy): DirectDownloadParameterBuilder;
    /**
     * Set the privacy strategy as plain
     * <br>
     * <br>
     * Privacy strategy defines how the data will be decrypted
     * @return the same instance of this builder
     */
    withPlainPrivacy(): DirectDownloadParameterBuilder;
    /**
     * Set the privacy strategy as secured with password
     * <br>
     * <br>
     * Privacy strategy defines how the data will be decrypted
     * @param password a 50-character minimum password
     * @return the same instance of this builder
     */
    withPasswordPrivacy(password: string): DirectDownloadParameterBuilder;
    /**
     * Set the privacy strategy as secured with nem keys
     * <br>
     * <br>
     * Privacy strategy defines how the data will be decrypted
     * @param privateKey the private key of one blockchain account that encrypted the data
     * @param publicKey the public key of the other blockchain account that encrypted the data
     * @return the same instance of this builder
     */
    withNemKeysPrivacy(privateKey: string, publicKey: string): DirectDownloadParameterBuilder;
    build(): DirectDownloadParameter;
}