use gpui::App;use schemars::JsonSchema;use serde::{Deserialize, Serialize};use settings::{Settings, SettingsSources}; /// The settings for the image viewer.#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, Default)]pub struct ImageViewerSettings {    /// The unit to use for displaying image file sizes.    ///    /// Default: "binary"    #[serde(default)]    pub unit: ImageFileSizeUnit,} #[derive(Clone, Copy, Debug, Serialize, Deserialize, JsonSchema, Default)]#[serde(rename_all = "snake_case")]pub enum ImageFileSizeUnit {    /// Displays file size in binary units (e.g., KiB, MiB).    #[default]    Binary,    /// Displays file size in decimal units (e.g., KB, MB).    Decimal,} impl Settings for ImageViewerSettings {    const KEY: Option<&'static str> = Some("image_viewer");     type FileContent = Self;     fn load(        sources: SettingsSources<Self::FileContent>,        _: &mut App,    ) -> Result<Self, anyhow::Error> {        SettingsSources::<Self::FileContent>::json_merge_with(            [sources.default]                .into_iter()                .chain(sources.user)                .chain(sources.server),        )    }}