public void addCompileSourceRoot()

in maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/MavenProjectStub.java [326:332]


    public void addCompileSourceRoot(String string) {
        if (compileSourceRoots == null) {
            compileSourceRoots = new ArrayList<>(Collections.singletonList(string));
        } else {
            compileSourceRoots.add(string);
        }
    }