okio.Source -> fq2:
# {"id":"sourceFile","fileName":"Source.kt"}
    okio.Timeout timeout() -> f
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lc03;"}
    long read(okio.Buffer,long) -> h
      # {"id":"com.android.tools.r8.residualsignature","signature":"(JLdr;)J"}
