move namespace below class declaration

Author: Stefan Schubert

src/mustache/api.service.mustache

@@ -43,15 +43,6 @@ import { {{classname}}Interface }                            from './{{classFile
 {{/withInterfaces}}
 
 {{#operations}}
-
-export namespace {{classname}} {
-  export enum Operations {
-    {{#operation}}
-    {{operationIdOriginal}} = '{{operationIdOriginal}}'{{^-last}},{{/-last}}
-    {{/operation}}
-  }
-}
-
 {{>apiPartialMap}}
 
 {{#description}}
@@ -427,4 +418,12 @@ export class {{classname}} {
     }
 
 {{/operation}}}
+
+export namespace {{classname}} {
+  export enum Operations {
+    {{#operation}}
+    {{operationIdOriginal}} = '{{operationIdOriginal}}'{{^-last}},{{/-last}}
+    {{/operation}}
+  }
+}
 {{/operations}}