package com.example;

import com.example.util.MyUtil;

public class Example {
    public boolean testIsEmpty(String someString) {
        return MyUtil.myIsEmpty(someString);
    }
}
"""

        and:
        file("direct/build.gradle") << """
plugins {
    id "java-library"
    id "biz.aQute.bnd.builder"
}

group = "com.example.direct"