@Override
	public String toString() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("Line Entry");
		buffer.append(" Include Directories: [");
		for (DWARFFile dir : this.directories) {
			buffer.append(dir);
			buffer.append(", ");
		}
		buffer.append("] File Names: [");
		for (DWARFFile file : this.files) {
			buffer.append(file.toString());
			buffer.append(", ");
		}
		buffer.append("]");
		return buffer.toString();
	}
Returns the number of indexed files
@return num files
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/line/DWARFLine.java