in src/components/App.tsx [47:56]
readonly onHideTree: () => void
// Called when the user wants to use the dark theme
readonly onUseDarkTheme: () => void
// Called when the user wants to use the light theme
readonly onUseLightTheme: () => void
// Called when a toaster has been created
readonly refToaster: (toaster: Toaster) => void
}
interface IState {