Static HKMetadataKeySessionEstimate 

pub unsafe static HKMetadataKeySessionEstimate: &'static NSString

Available on crate feature HKMetadata only.

Represents a per-session estimate prior to longitudinal smoothing applied to the value stored in the associated HKQuantitySample.

The expected value type is an HKQuantity object with a unit compatible with the associated HKQuantitySample.

See also Apple’s documentation