module Physical_export_context:sig..end
type export_context
val build_export_context : Physical_value.item Cursor.cursor -> export_contextval get_current_cursor : export_context -> Physical_value.item Cursor.cursorval push_node_to_export_context : export_context ->
Dm.node -> Physical_value.item Cursor.cursor -> unitval pop_node_from_export_context : export_context ->
Streaming_types.typed_annotated_sax_event option