You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: export.rs
    path of file: ./repos/mail-server/crates/cli/src/modules
    
    the code of the file until where you have to start completion: /*
 * Copyright (c) 2023 Stalwart Labs Ltd.
 *
 * This file is part of Stalwart Mail Server.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License 
    
pub async fn fetch_identities(client: &jmap_client::client::Client) -> Vec<Identity> {
    let mut request = client.build();
    request.get_identity().properties([
        identity::Property::Id,
        identity::Property::Name,
        identity::Property::Email,
        identity::Property::ReplyTo,
        identity::Property::Bcc,
        identity::Property::TextSignature,
        identity::Property::HtmlSignature,
    ]);
    request
        .send_get_identity()
        .await
        .unwrap_result("send JMAP request")
        .take_list()
}