/**
 *  Copyright 2023 OwlMeans
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
import { BasicCredentialType, Credential } from "../vc";
import { CredentialServiceBuilder, Extension, ValidationResult } from "./ext/types";
import { ExtensionRegistry } from './registry';
export declare const findAppropriateCredentialType: (ext: Extension, types: BasicCredentialType, defaultType: string) => string;
export declare const addFactoriesToExt: (ext: Extension, type: string, factories: CredentialServiceBuilder) => void;
export declare const getMainType: (registry: ExtensionRegistry, cred: Credential) => string | undefined;
interface CredentialChainDebug {
    id: string;
    type: string[];
    children: CredentialChainDebug[];
}
export declare const debugCredentialChain: (credential: Credential) => CredentialChainDebug;
export declare const debugValidationResult: (result: ValidationResult) => CredentialChainDebug;
export {};
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