static String methodName(Method m) {
        return m.getDeclaringClass().getName() + "#" + 
            m.getName() + "(" + 
            Stream.of(m.getParameterTypes())
                .map(Class::getSimpleName)
                .collect(joining(", ")) + 
            ")";
    }
The default implementation of the {@link DependencyGraph} interface.

@author Emil Forslund
@since  1.0.0
common-parent/injector/src/main/java/com/speedment/common/injector/internal/dependency/DependencyGraphImpl.java