class_docstr: Special dictionary object that can handle dict operations based on dataset name, wavelength, or DataID.
  
  Note: Internal dictionary keys are `DataID` objects.
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docstr: Get multiple fully-specified keys that match the provided query.
  
  Args:
      match_key (DataID): DataID or DataQuery of query parameters to use for
                          searching. Can also be a string representing the
                          dataset name or a number representing the dataset
                          wavelength.
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code: def get_key(self, match_key):
      """Get multiple fully-specified keys that match the provided query.
  
      Args:
          match_key (DataID): DataID or DataQuery of query parameters to use for
                              searching. Can also be a string representing the
                              dataset name or a number representing the dataset
                              wavelength.
  
      """
      return get_key(match_key, self.keys())
  
imports: from __future__ import annotations
  from typing import Container, Iterable, Optional
  import numpy
  from satpy import DataID, DatasetDict
  from satpy.dataset import ModifierTuple, create_filtered_query
  from satpy.dataset.data_dict import TooManyResults, get_key
  from satpy.node import EMPTY_LEAF_NAME, LOG, CompositorNode, MissingDependencies, Node, ReaderNode
label_desc: Use image node_id 2 for calling the _DataIDContainer obj's underlying member method code with example usage: obj.get_key(match_key) and returns: get_key