\begin{tikzpicture}
\begin{umlcomponent}{A}
\umlbasiccomponent{B}
\umlbasiccomponent[y=-2.5]{C}
\umlrequiredinterface[interface=Bri,distance=2cm, padding=2cm]{B}
\umlprovidedinterface[interface=Cpi,distance=3cm, padding=0cm]{C}
\end{umlcomponent}
\end{tikzpicture}