interface AuthCredentials {
    clientId: string;
    clientSecret: string;
    customerId: string;
}
interface AuthInstance {
    clientId: string;
    clientSecret: string;
    customerId: string;
    accessToken?: string;
    tokenExpirationTime?: number;
}
type Method = 'get' | 'GET' | 'delete' | 'DELETE' | 'head' | 'HEAD' | 'options' | 'OPTIONS' | 'post' | 'POST' | 'put' | 'PUT' | 'patch' | 'PATCH' | 'purge' | 'PURGE' | 'link' | 'LINK' | 'unlink' | 'UNLINK';

export type { AuthCredentials, AuthInstance, Method };