kotlinx.io.Sink -> cr6:
# {"id":"sourceFile","fileName":"Sink.kt"}
    void writeByte(byte) -> B
    long transferFrom(kotlinx.io.RawSource) -> Y
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lnk5;)J"}
    kotlinx.io.Buffer getBuffer() -> b
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lr90;"}
    void write(byte[],int,int) -> write
