code: @GET
      @Path("/classificationdef/name/{name}")
      @Produces(Servlets.JSON_MEDIA_TYPE)
      public AtlasClassificationDef getClassificationDefByName(@PathParam("name") String name) throws AtlasBaseException {
          AtlasClassificationDef ret = typeDefStore.getClassificationDefByName(name);
  
          return ret;
      }
docs: Get the classification definition by it's name (unique)
  @param name classification name
  @return classification definition
  @throws AtlasBaseException
  @HTTP 200 On successful lookup of the the classification definition by it's name
  @HTTP 404 On Failed lookup for the given name