/**
 * Class containing reusable DID related operations.
 */
export default class Did {
    /**
     * Calculates the DID from the given DID Document.
     */
    static from(encodedDidDocument: string, didMethodName: string, hashAlgorithmAsMultihashCode: number): string;
    /**
     * Gets the unique portion of the DID generated from an encoded DID Document. e.g. "did:sidetree:12345" -> "12345"
     */
    static getUniqueSuffixFromEncodeDidDocument(encodedDidDocument: string, hashAlgorithmAsMultihashCode: number): string;
    /**
     * Checks to see if the given string is a valid generic DID.
     */
    static isDid(did: string): boolean;
}