\input{header}
\begin{tikzpicture}[scale=1, transform shape]

\newcomponent{0}{2.5}{BarHandlerComponent}
\umlprovidedinterface[interface=BarHandler, distance=3.3, padding=0.9cm]{BarHandlerComponent}
\umlrequiredinterface[interface={Request, ServerContext}, distance=4.2, padding=0.9cm]{BarHandlerComponent}

\end{tikzpicture}
\input{footer}