ConferenceCallbackParam4<W, X, Y, Z> typedef
ConferenceCallbackParam4<W, X, Y, Z> =
void Function(W w, X x, Y y, Z z)
Signature for a conference callback with four parameters.
Implementation
typedef ConferenceCallbackParam4<W, X, Y, Z> = void Function(
W w, X x, Y y, Z z);