This is the memory contants class. It contains constants that can be used in the memory level setting.
This is the DEFAULT_MEMLEVEL constant. It returns the default amount of memory that is used for the compression and decompression.
This is the MAX_MEMLEVEL constant. It returns the maximum amount of memory that can be used for the compression and decompression.
This is the MIN_MEMLEVEL constant. It returns the minimal amount of memory that can be used for the compression and decompression.