public void clearAndReload() {

		// No need to do anything if the instructions are already empty.
		if (instructions.isEmpty()) {
			return;
		}
		instructions.clear();

		modelChanged(UpdateType.RELOAD);
	}
Clears out the instruction list in this model, and fires off a
notification to subscribers.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/instructionsearch/model/InstructionSearchData.java