private ClangToken getFirstToken(DecompilerPanel panel) {
		List<Field> fields = panel.getFields();
		Field line = fields.get(0);
		ClangTextField tf = (ClangTextField) line;
		return tf.getFirstToken();
	}
An action to navigate to the next token highlighted by the user via the middle-mouse.
Ghidra/Features/Decompiler/src/main/java/ghidra/app/plugin/core/decompile/actions/NextHighlightedTokenAction.java