@startuml
!include <material/common>
!include <material/call_split>

left to right direction
skinparam defaultTextAlignment center

rectangle "<$ma_call_split>\nSplitter" as splitter #LightBlue

interface " " as q1
interface " " as q2
interface " " as q3
interface " " as q4
interface " " as q5

q1 --> splitter: Q1
q2 --> splitter: Q2
q3 ..> splitter: ...
q4 --> splitter: Qn
splitter --> q5: Q_out
@enduml
