kotlinx.datetime.format.AbstractDateTimeFormatBuilder -> m0:
# {"id":"sourceFile","fileName":"DateTimeFormatBuilder.kt"}
    kotlinx.datetime.internal.format.AppendableFormatStructure getActualBuilder() -> b
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lit8;"}
    1:6:kotlinx.datetime.internal.format.CachedFormatStructure build():476:476 -> build
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lye0;"}
    7:10:kotlinx.datetime.internal.format.ConcatenatedFormatStructure kotlinx.datetime.internal.format.AppendableFormatStructure.build():13:13 -> build
    7:10:kotlinx.datetime.internal.format.CachedFormatStructure build():476 -> build
      # {"id":"com.android.tools.r8.rewriteFrame","conditions":["throws(Ljava/lang/NullPointerException;)"],"actions":["removeInnerFrames(1)"]}
    11:14:kotlinx.datetime.internal.format.CachedFormatStructure build():476:476 -> build
    kotlinx.datetime.format.AbstractDateTimeFormatBuilder createEmpty() -> h
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lm0;"}
