//! Reads a table of grade values per edge id. These are recorded
//! directly to the traversal state vector as "leg_grade" values. If
//! no value was recorded, then a grade of zero is applied.
pub use GradeConfiguration;
pub use GradeTraversalBuilder;
pub use GradeTraversalEngine;
pub use GradeTraversalModel;
pub use GradeTraversalService;