@Override
	public ClangFunction getClangFunction() {
		if (parent != null) {
			return parent.getClangFunction();
		}
		return null;
	}
Set (change) the line which this text element part of.  
@param line is the new ClangLine
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/ClangToken.java