@Nonnull
	public SourceSet addClassPath(String classPath) {
		classPaths.add(classPath);
		return this;
	}
This class combines source files, resources and dependencies that are
considered to be a single unit. Together with the information in a
<code>Project</code> and possibly other <code>SourceSets</code> it can be
turned into something that can be executed.
src/main/java/dev/jbang/source/SourceSet.java