abstract.tex

\documentclass[12pt]{book}
\usepackage{docmute}
\usepackage{caption}  % used in the appendix
\usepackage{amsmath}  % \overset and align environment
\usepackage{aligned-overset}  % align overset in align environment
\usepackage{import}
\usepackage{siunitx}
\usepackage[siunitx, europeanresistors, nooldvoltagedirection]{circuitikz}
\usepackage{listings}
\usepackage{tikz}
\usetikzlibrary{positioning}
\usepackage{subcaption}
\usepackage{xcolor}

\DeclareCaptionFont{white}{\color{white}}
\DeclareCaptionFormat{listing}{\colorbox{gray}{\parbox{0.95\textwidth}{#1#2#3}}}
\captionsetup[lstlisting]{format=listing,labelfont=white,textfont=white}

\providecommand{\device}[1]{\texttt{\small #1}}
\providecommand{\external}[1]{\textsf{#1}}

\begin{document}
    \subimport{}{abstract_english.tex}
    \clearpage
    \subimport{}{abstract_german.tex}
\end{document}