ReadonlyacquiredReadonlyextentThe target's logical size, and the map's scale factor.
ReadonlyfailureStatus.ok until the session fails. Then Status.targetLost when it
failed because it lost its target, or Status.nativeError when it failed
for another reason.
ReadonlyframeReadonlygenerationReadonlyhasWhether the session is attached and has a target to render to. It's false
from when RenderSessionHandle.releaseTarget() completes until you give
the session a new target.
Readonlystate
The state of a render session at one moment.
See
mln_render_session_snapshotin the C API reference.