@Override
	public boolean isSubFilterOf(TextFilter parentFilter) {
		if (!(parentFilter instanceof StartsWithTextFilter)) {
			return false;
		}

		StartsWithTextFilter parent = (StartsWithTextFilter) parentFilter;
		if (caseSensitive != parent.caseSensitive || allowGlobbing != parent.allowGlobbing) {
			return false;
		}

		if (parentIsGlobEscape(parent)) {
			return false;
		}

		boolean isSubFilter = filterText.startsWith(parent.filterText);
		return isSubFilter;
	}
A filter that will pass text when it starts with the filter text.
Ghidra/Framework/Docking/src/main/java/docking/widgets/filter/StartsWithTextFilter.java