code: @PUT
      public Response putContent(@PathParam("spaceID") String spaceID,
                                 @PathParam("contentID") String contentID,
                                 @QueryParam("storeID") String storeID,
                                 @HeaderParam(COPY_SOURCE_HEADER) String copySource,
                                 @HeaderParam(COPY_SOURCE_STORE_HEADER) String sourceStoreID) {
          if (null != copySource) {
              return copyContent(spaceID, contentID, storeID, sourceStoreID, copySource);
  
          } else {
              return addContent(spaceID, contentID, storeID);
          }
      }
docs: see ContentResource.addContent() and ContentResource.copyContent().
  
  @return 201 response indicating content added/copied successfully