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