export interface SignDTEParams {
    /**
     * The DTE (Digital Tax Document) object to be signed
     */
    dte: object;
    /**
     * The password for the private key
     */
    privatePassword: string;
    /**
     * The certificate in XML format (string) or path to the certificate file
     */
    certificate: string;
    /**
     * If true, the certificate parameter is treated as a file path.
     * If false or undefined, the certificate parameter is treated as the XML content.
     * @default false
     */
    loadCertificateFromPath?: boolean;
}
/**
 * Signs a DTE (Digital Tax Document) for El Salvador using a certificate and private key password.
 *
 * @param params - The parameters for signing the DTE
 * @returns A Promise that resolves to the signed DTE in JWS compact format
 *
 * @example
 * // Example 1: Using certificate file path
 * const signedDTE = await signDTE({
 *   dte: {
 *     identificacion: {
 *       version: 1,
 *       ambiente: "00",
 *       tipoDte: "01",
 *       // ... other DTE fields
 *     }
 *   },
 *   privatePassword: "mySecurePassword123",
 *   certificate: "./certificates/88888888888888.crt",
 *   loadCertificateFromPath: true
 * });
 *
 * @example
 * // Example 2: Using certificate XML content directly
 * const certXML = fs.readFileSync("./certificate.crt", "utf8");
 * const signedDTE = await signDTE({
 *   dte: myDTEObject,
 *   privatePassword: "mySecurePassword123",
 *   certificate: certXML
 * });
 *
 * @throws {Error} Throws an error if the private password is invalid
 * @throws {Error} Throws an error if the certificate cannot be parsed
 * @throws {Error} Throws an error if the certificate file is not found (when loadCertificateFromPath is true)
 */
export declare const signDTE: (params: SignDTEParams) => Promise<string>;
export default signDTE;