use crateTopologySegment;
pub const STABLE_TRY_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const TRY_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const FROM_RESIDUAL_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const OK_FROM_RESULT_RESIDUAL_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const ERR_FROM_RESULT_RESIDUAL_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const SOME_FROM_OPTION_TOPOLOGY_SEGMENT: TopologySegment = new;
pub const NONE_FROM_OPTION_TOPOLOGY_SEGMENT: TopologySegment = new;