use thiserror::Error;#[cfg(any(test, feature = "test-util"))]pub use warp_server_client::auth::MockAuthClient;pub use warp_server_client::auth::{    AuthClient, FetchUserResult, MintCustomTokenError, SyncedUserSettings, UserAuthenticationError,}; #[derive(Error, Debug)]/// Error type when creating anonymous users.pub enum AnonymousUserCreationError {    #[error("The network request to create the anonymous user failed")]    CreationFailed,     #[error("Received a user facing error: {0}")]    UserFacingError(String),     /// Failure that occurs after the user is created, but the ID token could not be fetched.    #[error("The user was created, but the ID token could not be fetched")]    UserAuthenticationFailed(#[from] UserAuthenticationError),     #[error("Failed to create anonymous user with unknown error")]    Unknown,} #[cfg(test)]#[path = "auth_tests.rs"]mod tests;