\documentclass[tikz]{standalone}
\usetikzlibrary{arrows.meta, quotes, graphs, graphdrawing, shapes.geometric}
\usegdlibrary{layered}
\usepackage{hyperref}
\usepackage{hologo}
\title{graph}
\begin{document}
\begin{tikzpicture}[rounded corners, >=Stealth, auto]
 \graph[layered layout, nodes={draw, align=center}]{%
   "\TeX" -> "\hologo{eTeX}" -> "\hologo{pdfTeX}" -> "\hologo{LuaTeX}";
   "\hologo{eTeX}" -> "\hologo{XeTeX}"
 };
\end{tikzpicture}
\end{document}

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