okio.Source -> fs6:
# {"id":"sourceFile","fileName":"Source.kt"}
    long read(okio.Buffer,long) -> S
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Ly80;J)J"}
    okio.Timeout timeout() -> h
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lyb7;"}
