pub fn principal(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, std::string::String>>
    {
        self.principal.as_ref()
    }
/// <p>The external principal that has access to a resource within the zone of trust.</p>
The external principal that has access to a resource within the zone of trust.
The external principal that has access to a resource within the zone of trust .
pub fn principal(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, std::string::String>>
    {
        self.principal.as_ref()
    }
pub fn principal ( & self , ) -> std :: option :: Option < & std :: collections :: HashMap < std :: string :: String , std :: string :: String > > { self . principal . as_ref ( ) }
<p>The external principal that has access to a resource within the zone of trust.</p>
<p > The external principal that has access to a resource within the zone of trust . < / p >
&self
&self