AntoinePrv opened a new issue, #50421:
URL: https://github.com/apache/arrow/issues/50421

   ### Describe the enhancement requested
   
   Lack of basic functionality (Skip, Count) on the `LevelDecoder` create 
additional complexity in downstream classes (`ColumnReaderImplBase`, 
`TypedColumnReaderImpl`, `TypedRecordReader`).
   
   This complexity is prohibitive to other improvements, such as plugging a 
flat optional definition level bitmap decoder.
   
   ### Component(s)
   
   C++, Parquet


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