kotlinx.io.files.FileMetadata -> ae2:
# {"id":"sourceFile","fileName":"FileSystem.kt"}
    long size -> a
    1:3:void co.touchlab.stately.concurrency.ThreadRef.<init>():3:3 -> <init>
    4:14:void co.touchlab.stately.concurrency.ThreadRef.<init>():4:4 -> <init>
    15:15:void <init>(boolean,boolean,long):195:195 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(J)V"}
    16:16:void <init>(boolean,boolean,long):207:207 -> <init>
