@Override
		public int compareTo(CompilerElement o) {
			if (type != o.type) {
				return type.ordinal() - o.type.ordinal();
			}
			if (status != o.status) {
				return status.ordinal() - o.status.ordinal();
			}
			return name.compareTo(o.name);
		}
Return true if the element is already installed (not pending)
@return true for an existing extension
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/SpecExtensionPanel.java