The information about available plugins.
The collection of deferred extension patterns and matched extensions.
Whether the application is in dev mode.
The collection of disabled extension patterns and matched extensions.
Whether files are cached on the server.
Every periodic network polling should be paused while this is set
to false. Extensions should use this value to decide whether to proceed
with the polling.
The extensions may also set this value to false if there is no need to
fetch anything from the server backend basing on some conditions
(e.g. when an error message dialog is displayed).
At the same time, the extensions are responsible for setting this value
back to true.
Every periodic network polling should be paused while this is set
to false. Extensions should use this value to decide whether to proceed
with the polling.
The extensions may also set this value to false if there is no need to
fetch anything from the server backend basing on some conditions
(e.g. when an error message dialog is displayed).
At the same time, the extensions are responsible for setting this value
back to true.
The mime renderer extensions.
The information about a JupyterLab application.