--- /dev/null
+/** @constructor */
+function Circle(){}
+
+/**
+ @constructor
+ @memberOf Circle#
+ */
+Circle.prototype.Tangent = function(){};
+
+// renaming Circle#Tangent to Circle#Circle#Tangent
+
+/**
+ @memberOf Circle#Tangent#
+ */
+Circle.prototype.Tangent.prototype.getDiameter = function(){};
+
+