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//! Types for the [`m.identity_server`] event.
//!
//! [`m.identity_server`]: https://spec.matrix.org/v1.4/client-server-api/#mdirect

use js_option::JsOption;
use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};

/// The content of an `m.identity_server` event.
///
/// Persists the user's preferred identity server, or preference to not use an identity server at
/// all.
#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.identity_server", kind = GlobalAccountData)]
pub struct IdentityServerEventContent {
    /// The URL of the identity server the user prefers to use, or `Null` if the user does not want
    /// to use an identity server.
    ///
    /// If this is `Undefined`, that means the user has not expressed a preference or has revoked
    /// their preference, and any applicable default should be used.
    #[serde(default, skip_serializing_if = "JsOption::is_undefined")]
    pub base_url: JsOption<String>,
}