question: private static boolean usable ( Method m , Class c , Class base ) { int mods = m . getModifiers ( ) ; return ( m . getReturnType ( ) == ProxyTrustIterator . class && m . getExceptionTypes ( ) . length == 0 && ( mods & Modifier . STATIC ) == 0 && ( ( mods & ( Modifier . PUBLIC | Modifier . PROTECTED ) ) != 0 || ( ( mods & Modifier . PRIVATE ) != 0 ? c == base : samePackage ( c , base ) ) ) ) ; }
target:  Returns true if the method returns ProxyTrustIterator, has no declared exceptions, and is a non-static member of the base class.