jrapidoc-rest-plugin/src/main/java/org/jboss/resteasy/util/Types.java
public static boolean isCompatible(Method method, Method intfMethod) {
        if (method == intfMethod)
            return true;

        if (!method.getName().equals(intfMethod.getName()))
            return false;
        if (method.getParameterTypes().length != intfMethod.getParameterTypes().length)
            return false;

        for (int i = 0; i < method.getParameterTypes().length; i++) {
            Class rootParam = method.getParameterTypes()[i];
            Class intfParam = intfMethod.getParameterTypes()[i];
            if (!intfParam.isAssignableFrom(rootParam))
                return false;
        }
        return true;
    }
public static boolean isCompatible(Method method, Method intfMethod) {
        if (method == intfMethod)
            return true;

        if (!method.getName().equals(intfMethod.getName()))
            return false;
        if (method.getParameterTypes().length != intfMethod.getParameterTypes().length)
            return false;

        for (int i = 0; i < method.getParameterTypes().length; i++) {
            Class rootParam = method.getParameterTypes()[i];
            Class intfParam = intfMethod.getParameterTypes()[i];
            if (!intfParam.isAssignableFrom(rootParam))
                return false;
        }
        return true;
    }
See if the two methods are compatible, that is they have the same
relative signature

@param method
@param intfMethod
@return