sig
val analysis :
('vertex, 'hedge, 'attr, 'arc) FixpointType.manager ->
('vertex, 'hedge, 'e, 'f, 'g) PSHGraph.t ->
'vertex PSette.t ->
(('hedge -> bool) -> ('vertex, 'hedge) FixpointType.strategy) ->
('vertex, 'hedge, 'attr, 'arc) FixpointType.output
val add_active_hedges :
('vertex, 'hedge, 'attr, 'arc) FixpointType.manager ->
('vertex, 'hedge, 'attr, 'arc) FixpointType.graph ->
('hedge, unit) PHashhe.t -> bool
end