Extend fed client interface for complement usage (#415)

Author: devonh

fclient/federationclient.go

@@ -28,10 +28,13 @@ type FederationClient interface {
 	Peek(ctx context.Context, origin, s spec.ServerName, roomID, peekID string, roomVersions []gomatrixserverlib.RoomVersion) (res RespPeek, err error)
 	MakeJoin(ctx context.Context, origin, s spec.ServerName, roomID, userID string) (res RespMakeJoin, err error)
 	SendJoin(ctx context.Context, origin, s spec.ServerName, event gomatrixserverlib.PDU) (res RespSendJoin, err error)
+	SendJoinPartialState(ctx context.Context, origin, s spec.ServerName, event gomatrixserverlib.PDU) (res RespSendJoin, err error)
 	MakeLeave(ctx context.Context, origin, s spec.ServerName, roomID, userID string) (res RespMakeLeave, err error)
 	SendLeave(ctx context.Context, origin, s spec.ServerName, event gomatrixserverlib.PDU) (err error)
 	SendInviteV2(ctx context.Context, origin, s spec.ServerName, request InviteV2Request) (res RespInviteV2, err error)
 	SendInviteV3(ctx context.Context, origin, s spec.ServerName, request InviteV3Request, userID spec.UserID) (res RespInviteV2, err error)
+	MakeKnock(ctx context.Context, origin, s spec.ServerName, roomID, userID string, roomVersions []gomatrixserverlib.RoomVersion) (res RespMakeKnock, err error)
+	SendKnock(ctx context.Context, origin, s spec.ServerName, event gomatrixserverlib.PDU) (res RespSendKnock, err error)
 
 	GetEvent(ctx context.Context, origin, s spec.ServerName, eventID string) (res gomatrixserverlib.Transaction, err error)