import { DidVerificationMethodType, type IDidDocumentVerificationMethod, type IDidDocument } from "@twin.org/standards-w3c-did";
import type { IJwk } from "@twin.org/web";
/**
 * Helper methods for documents.
 */
export declare class DocumentHelper {
    /**
     * Runtime name for the class.
     */
    static readonly CLASS_NAME: string;
    /**
     * Parse the document id into its parts.
     * @param documentId The full document id.
     * @returns The parsed document id.
     */
    static parseId(documentId: string): {
        id: string;
        fragment: string | undefined;
    };
    /**
     * Join the document id parts.
     * @param documentId The document id.
     * @param fragment The fragment part for the identifier.
     * @returns The full id.
     */
    static joinId(documentId: string, fragment?: string): string;
    /**
     * Get a verification method from a DID document.
     * @param didDocument The DID Document to get the method from.
     * @param methodName The name of the method to get the JWK from.
     * @param methodType The type of the method, defaults to verificationMethod.
     * @returns The verification method if found.
     * @throws Error if the method is not found.
     */
    static getVerificationMethod(didDocument: IDidDocument, methodName: string, methodType?: DidVerificationMethodType): IDidDocumentVerificationMethod;
    /**
     * Gets a JWK from a DID document verification method.
     * @param didDocument The DID Document to get the method from.
     * @param methodName The name of the method to get the JWK from.
     * @param methodType The type of the method, defaults to verificationMethod.
     * @returns The JWK if found.
     * @throws Error if the method is not found.
     */
    static getJwk(didDocument: IDidDocument, methodName: string, methodType?: DidVerificationMethodType): IJwk;
}