io.ktor.http.content.NullBody -> jk4:
# {"id":"sourceFile","fileName":"OutgoingContent.kt"}
    io.ktor.http.content.NullBody INSTANCE -> a
      # {"id":"com.android.tools.r8.residualsignature","signature":"Ljk4;"}
    3:5:void <init>():18:18 -> <clinit>
    3:5:void <clinit>():0 -> <clinit>
    6:8:void <clinit>():0:0 -> <clinit>
