void showDialog(PluginTool tool) throws CancelledException {
		canceled = false;
		tool.showDialog(this);
		if (canceled) {
			throw new CancelledException();
		}
	}
Displays the dialog for specifying the information for offset table references.
@throws CancelledException if the user cancels the dialog.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/references/OffsetTableDialog.java