Bug 297731 [Filters] We could have IResourceFilterDescription#delete instead of IContainer#removeFilter ?
This is the pattern used for resource markers. It is just a minor issue, however would make new API look more consistent.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
}
	}
	public void addChild(FilterCopy child) {
		initializeChildren();
		if (child.getParent() != null)
			child.getParent().removeChild(child);
		children.add(child);
		child.parent = this;
		serializeChildren();
	}
	public void removeChild(FilterCopy child) {
		initializeChildren();
		children.remove(child);
		if (child.parent == this)
			child.parent = null;
		serializeChildren();
	}
	protected void serializeChildren() {
		initializeChildren();
		argumentsChanged();
	}
	protected void argumentsChanged() {
		initializeChildren();
		if (children != null)
			arguments = children.toArray(new FilterCopy[0]);
		FilterCopy up = parent;
		while (up != null) {
			up.serializeChildren();
			up = up.parent;
		}