usecrate::model::unit::RatioUnit;useserde::{Deserialize, Serialize};/// provides configuration for instantiating the grade engine used in grade modeling.
#[derive(Serialize, Deserialize, Clone, Debug)]#[serde(deny_unknown_fields)]pubstructGradeConfiguration{/// file with dense mapping from edge id to grade value
pubgrade_input_file: String,
/// type of grade values in file
pubgrade_unit: RatioUnit,
}