Bug 293130 Polishing the Filter extension point
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
}
	public void setProject(IProject project) {
		this.project = project;
	}
	public void setType(int type) {
		this.type = type;
	}
	public boolean hasStringArguments() {
		IFilterDescriptor descriptor = FilterTypeUtil.getDescriptor(id);
		if (descriptor != null)
			return descriptor.getArgumentType().equals(
					IFilterDescriptor.ARGUMENT_TYPE_STRING);
		return false;
	}
	public int getChildrenLimit() {
		IFilterDescriptor descriptor = FilterTypeUtil.getDescriptor(id);
		if (descriptor != null) {
			if (descriptor.getArgumentType().equals(
					IFilterDescriptor.ARGUMENT_TYPE_FILTER))
				return 1;
			if (descriptor.getArgumentType().equals(
					IFilterDescriptor.ARGUMENT_TYPE_FILTERS))
				return Integer.MAX_VALUE;
		}
		return 0;
	}
	public boolean equals(Object o) {
		if (!(o instanceof FilterCopy))
			return false;
		FilterCopy filter = (FilterCopy) o;