type project_context = Alg_project_context.project_context
val build_project_context :
  Streaming_types.typed_xml_stream ->
  Alg_path_struct.path_fragment_sequence ->
  Streaming_types.typed_annotated_sax_event list -> project_context
val get_pfs :
  project_context -> Alg_path_struct.path_fragment_sequence option
val get_local_buffer :
  project_context -> Streaming_types.typed_annotated_sax_event list
val get_next_xml_event :
  project_context -> Streaming_types.typed_annotated_sax_event
val project_stream_is_empty : project_context -> bool
val get_stream : project_context -> Streaming_types.typed_xml_stream
val get_next_buffered_sax_event :
  project_context -> Streaming_types.typed_annotated_sax_event option
val peek_next_buffered_sax_event :
  project_context -> Streaming_types.typed_annotated_sax_event option
val refill_local_buffer :
  project_context -> Streaming_types.typed_annotated_sax_event list -> unit
val push_project_context_get_subtree :
  project_context -> Streaming_types.typed_annotated_sax_event -> unit
val push_project_context_keep_moving_skip_node :
  project_context ->
  Streaming_types.typed_annotated_sax_event ->
  Alg_path_struct.path_fragment_sequence -> unit
val push_project_context_keep_moving_preserve_node :
  project_context ->
  Streaming_types.typed_annotated_sax_event ->
  Alg_path_struct.path_fragment_sequence -> unit
val push_project_context_preserve_node :
  project_context -> Streaming_types.typed_annotated_sax_event list -> unit
val push_project_context_skip_node : project_context -> unit
val pop_project_context :
  project_context -> Streaming_types.typed_annotated_sax_event list -> unit