Struct Deps 

pub struct Deps {
    pub ask: Box<dyn Fn(String, Value) -> Pin<Box<dyn Future<Output = Result<Answer, String>> + Send>> + Send + Sync>,
    pub settings: Box<dyn Fn(&str) -> (String, String) + Send + Sync>,
    pub remember: Box<dyn Fn(&str, &str) -> Result<(), String> + Send + Sync>,
}

What allow_install needs from the server.

Fields

ask: Box<dyn Fn(String, Value) -> Pin<Box<dyn Future<Output = Result<Answer, String>> + Send>> + Send + Sync>

Ask the question in the approval window over the window showing the pane (block_id; empty: the main window).

settings: Box<dyn Fn(&str) -> (String, String) + Send + Sync>

conn:helper for the host, and the global one.

remember: Box<dyn Fn(&str, &str) -> Result<(), String> + Send + Sync>

Store conn:helper for the host.