text: from streamlit.proto.Empty_pb2 import Empty as EmptyProto
  
  
  class EmptyMixin:
      def empty(dg):
          """Add a placeholder to the app.
  
          The placeholder can be filled any time by calling methods on the return
          value.
  
          Example
          -------
          >>> my_placeholder = st.empty()
          >>>
          >>> # Now replace the placeholder with some text:
          >>> my_placeholder.text("Hello world!")
          >>>
          >>> # And replace the text with an image:
          >>> my_placeholder.image(my_image_bytes)
  
          """
          empty_proto = EmptyProto()
          # The protobuf needs something to be set
          empty_proto.unused = True
          return dg._enqueue("empty", empty_proto)  # type: ignore
  