r#"pub struct C_SomeObserver {
 opaque : * const :: std :: os :: raw :: c_void ,
 C_SomeObserver_deref : extern "C" fn ( _ : * const :: std :: os :: raw :: c_void ) ,
 onStateChanged : extern "C" fn ( a0 : i32 , a1 : :: std :: os :: raw :: c_char , _ : * const :: std :: os :: raw :: c_void ) -> :: std :: os :: raw :: c_char ,
 onStateChangedWithoutArgs : extern "C" fn ( _ : * const :: std :: os :: raw :: c_void ) -> ( ) ,
 }"#;