Set on the panel element's connection property before it connects (PanelConnection in app-core, restated because a panel imports only this file).
connection
PanelConnection
Readonly
Absolute or origin-relative base of /api/benchmarks.
/api/benchmarks
The host's event stream; this panel polls its own routes and does not read it.
Set on the panel element's
connectionproperty before it connects (PanelConnectionin app-core, restated because a panel imports only this file).