import { AuthOption, SessionAuth } from './types/Auth.js';
type AuthHeader = {
    "X-Cybozu-Authorization": string;
} | {
    "X-Cybozu-API-Token": string;
} | {
    Authorization: string;
} | {
    "X-Requested-With": "XMLHttpRequest";
} | {};
export declare const buildAuth: (_auth: AuthOption) => AuthHeader;
export declare const isSessionAuth: (_auth: AuthOption | undefined) => _auth is SessionAuth;
export {};