import { PublicKey, Timestamp, TopicId } from "@hashgraph/sdk";
import { DidMethodOperation } from "../../did-method-operation";
import { Decrypter, Encrypter, Message } from "../message";
import { MessageEnvelope } from "../message-envelope";
/**
 * The DID document message submitted to appnet's DID Topic.
 */
export declare class HcsDidMessage extends Message {
    protected operation: DidMethodOperation;
    protected did: string;
    protected didDocumentBase64: string;
    /**
     * The date when the DID was created and published.
     * It is equal to consensus timestamp of the first creation message.
     * This property is set by the listener and injected into the DID document upon calling getDidDocument() method.
     */
    protected created: Timestamp;
    /**
     * The date when the DID was updated and published.
     * It is equal to consensus timestamp of the last valid update or delete message.
     * This property is set by the listener and injected into the DID document upon calling getDidDocument() method.
     */
    protected updated: Timestamp;
    /**
     * Creates a new instance of {@link HcsDidMessage}.
     *
     * @param operation         The operation on DID document.
     * @param did               The DID string.
     * @param didDocumentBase64 The Base64-encoded DID document.
     */
    constructor(operation: DidMethodOperation, did: string, didDocumentBase64: string);
    getOperation(): DidMethodOperation;
    getDid(): string;
    getDidDocumentBase64(): string;
    getCreated(): Timestamp;
    getUpdated(): Timestamp;
    setUpdated(updated: Timestamp): void;
    setCreated(created: Timestamp): void;
    /**
     * Decodes didDocumentBase64 field and returns its content.
     * In case this message is in encrypted mode, it will return encrypted content,
     * so getPlainDidDocument method should be used instead.
     * If message consensus timestamps for creation and update are provided they will be injected into the result
     * document upon decoding.
     *
     * @return The decoded DID document as JSON string.
     */
    getDidDocument(): string;
    /**
     * Validates this DID message by checking its completeness, signature and DID document.
     *
     * @return True if the message is valid, false otherwise.
     */
    isValid(): boolean;
    /**
     * Validates this DID message by checking its completeness, signature and DID document.
     *
     * @param didTopicId The DID topic ID against which the message is validated.
     * @return True if the message is valid, false otherwise.
     */
    isValid(didTopicId: TopicId): boolean;
    /**
     * Extracts #did-root-key from the DID document.
     *
     * @return Public key of the DID subject.
     */
    extractDidRootKey(): PublicKey;
    toJsonTree(): any;
    static fromJsonTree(tree: any, result?: HcsDidMessage): HcsDidMessage;
    toJSON(): string;
    static fromJson(json: string): Message;
    /**
     * Creates a new DID message for submission to HCS topic.
     *
     * @param didDocumentJson DID document as JSON string.
     * @param operation       The operation on DID document.
     * @return The HCS message wrapped in an envelope for the given DID document and method operation.
     */
    static fromDidDocumentJson(didDocumentJson: string, operation: DidMethodOperation): MessageEnvelope<HcsDidMessage>;
    /**
     * Provides an encryption operator that converts an {@link HcsDidMessage} into encrypted one.
     *
     * @param encryptionFunction The encryption function to use for encryption of single attributes.
     * @return The encryption operator instance.
     */
    static getEncrypter(encryptionFunction: Encrypter<string>): Encrypter<HcsDidMessage>;
    /**
     * Provides a decryption function that converts {@link HcsDidMessage} in encrypted for into a plain form.
     *
     * @param decryptionFunction The decryption function to use for decryption of single attributes.
     * @return The Decryption function for the {@link HcsDidMessage}
     */
    static getDecrypter(decryptionFunction: Decrypter<string>): Decrypter<HcsDidMessage>;
}