One row of listSettings() output — a snapshot of one effective schema entry plus its current value and override state.
listSettings()
Stored override if present, else schema.default.
schema.default
True iff a value lives in this entry's lifetime-specified store.
lifetime
_mixinName of the layer that declared the entry.
_mixinName
One row of
listSettings()output — a snapshot of one effective schema entry plus its current value and override state.