kotlinx.datetime.internal.format.FieldFormatDirective -> hf2:
# {"id":"sourceFile","fileName":"FieldFormatDirective.kt"}
    kotlinx.datetime.internal.format.formatter.FormatterStructure formatter() -> a
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lv51;"}
    kotlinx.datetime.internal.format.parser.ParserStructure parser() -> b
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lu25;"}
    kotlinx.datetime.internal.format.FieldSpec getField() -> c
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lp0;"}
