/**
 * @license
 * Copyright (c) Peculiar Ventures, LLC.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
export interface IPemHeader {
    key: string;
    value: string;
}
/**
 * Represents PEM structure
 */
export interface IPemStruct {
    /**
     * Type
     */
    type: string;
    /**
     * Headers
     */
    headers: IPemHeader[];
    /**
     * Decoded message data
     */
    rawData: ArrayBuffer;
}
type TAtLeast<T, K extends keyof T> = Partial<T> & Pick<T, K>;
export type TPemStructEncodeParams = TAtLeast<IPemStruct, 'type' | 'rawData'>;
/**
 * Represents PEM Converter.
 */
export declare class PemConverter {
    static CertificateTag: string;
    static CrlTag: string;
    static CertificateRequestTag: string;
    static AttributeCertificateTag: string;
    static isPem(data: string): boolean;
    static decodeWithHeaders(pem: string): IPemStruct[];
    /**
     * Decodes PEM to a list of raws
     * @param pem message in PEM format
     */
    static decode(pem: string): ArrayBuffer[];
    /**
     * Encodes a list of raws in PEM format
     * @param raws A list of raws
     * @param tag PEM tag
     */
    static encode(rawData: BufferSource | BufferSource[] | TPemStructEncodeParams[], tag?: string): string;
    /**
     * Encodes PEMStruct in PEM block
     * @param pem PEM structure for encoding
     * @returns Returns PEM encoded block
     */
    private static encodeStruct;
}
export {};