CLOSE_WIDGET
CLOSE_WIDGET: "close-widget"
LANGUAGE_CHANGED
LANGUAGE_CHANGED: "language-changed"
REQUEST_BRIDGE
REQUEST_BRIDGE: "request-bridge"
REQUEST_ONRAMP
REQUEST_ONRAMP: "request-onramp"
REQUEST_SWAP
REQUEST_SWAP: "request-swap"
GO_BACK
GO_BACK: "go-back"
Enum of possible Add Funds Widget event types.