@Override
	public boolean hasChildren() {
		if (children == null) {
			return false;
		}
		if (children.size() == 0) {
			return false;
		}
		return true;
	}
Get the child portion of {@link #toString()}

<p>
If a subclass has another, possible additional, notion of children that it would like to
include in {@link #toString()}, it must override this method.

@see #hasChildren()
@param indent the current indentation
@return the indented description for each child on its own line
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/sem/AbstractAssemblyResolution.java