Stop polling, clear entries, and release listeners.
Return all resolved configurations in manifest order.
Return one resolved configuration using an exact provider match.
Fetch the initial manifest and begin polling when configured.
Stop polling and clear the current entries.
Merge macro values used to resolve each configuration; null marks a name empty (parameters
that use it are omitted) and undefined removes it.
Replace application parameters used to resolve each configuration.
Subscribe to external-vendor configuration changes.
Remove a configuration-change listener.
Export the standalone diagnostic report.
Async API shared by the native and web external-vendor readers.