Module model 

Core property-layer data model, error type, and shared validation helpers.

Holds the domain newtypes/enums, the Arrow-backed layer types, the identity-mode snapshot records, the concrete PropertyError enum, the snapshot tag codecs for those enums, and the layer-construction validation helpers shared across the crate.

Structs

IdentityModeRecord

Wire record declaring one identity family map mode.

IdentityModeSummary

Decoded identity mode summary.

IdentitySnapshotSummary

Summary returned after identity snapshot validation.

LayerId

Stable numeric identifier for one property layer.

LayerName

Human-facing property layer name.

PropertyLayer

Arrow-backed property layer.

PropertyLayerDescriptor

Descriptor for one Arrow-backed property layer.

Enums

IdFamily

Topology ID family keyed by a property layer.

IdentityMapMode

Identity snapshot map mode.

LayerRole

Declared role of a property layer.

MissingPolicy

Missing-value policy for sparse property layers.

PropertyError

Errors raised while validating property descriptors, layers, or snapshots.

PropertyLayerData

Data backing one property layer.

StorageMode

Physical storage mode for a property layer.