pub fn calibration_candidates(
source: &str,
target: &SpatialTarget,
numerics: NumericsPolicy,
) -> Result<Vec<(CandidateKind, SpatialProgram)>, SpatialReject>pub fn calibration_candidates(
source: &str,
target: &SpatialTarget,
numerics: NumericsPolicy,
) -> Result<Vec<(CandidateKind, SpatialProgram)>, SpatialReject>