decorator patter parts

report.tex

@@ -1,6 +1,6 @@
 % vim: set ts=2 sw=2 et tw=80:
 
-\documentclass[10pt,a4paper]{scrartcl}
+\documentclass[11pt,a4paper]{scrartcl}
 \usepackage[utf8]{inputenc}
 \usepackage[margin=2.25cm]{geometry}
 \usepackage{hyperref}
@@ -249,6 +249,15 @@ TBD
 
 
 \subsection{Decorator Pattern}
+Decorator pattern lets you dynamically change the behavior of an object at run time by wrapping them in an object of a decorator class.
+
+(com.fasterxml.jackson.core omitted for brevity)
+\begin{description}
+  \item[JsonGenerator]
+   TBD
+  \item[JsonParser]
+  TBD
+\end{description}
 Only in Pattern4j
 
 \subsection{Bridge Pattern}