code: def __init__(self, path, intervals, filter_intervals):
      self.path = path
      self.filter_intervals = filter_intervals
      (
          self.intervals,
          self._interval_type,
      ) = impute_type_of_partition_interval_array(intervals)
  
imports: import abc
  import json
  from .utils import make_filter_and_replace, impute_type_of_partition_interval_array
  from ..expr.types import HailType, tfloat32, tfloat64
  from ..genetics.reference_genome import reference_genome_type
  from ..typecheck import typecheck_method, sequenceof, nullable, enumeration, anytype, oneof, dictof, sized_tupleof
  from ..utils import wrap_to_list
  from ..utils.misc import escape_str
label_desc: Use image node_id 1 to create a new MatrixNativeReader object from inherited base classes: MatrixReader with example: obj = MatrixNativeReader(path, intervals, filter_intervals)