text: """This module implements the WindowOptimizationPass."""
  from __future__ import annotations
  
  import logging
  from typing import Any
  from typing import Callable
  
  import numpy as np
  
  from bqskit.compiler.basepass import BasePass
  from bqskit.ir.circuit import Circuit
  from bqskit.passes.synthesis.qsearch import QSearchSynthesisPass
  from bqskit.passes.synthesis.synthesis import SynthesisPass
  from bqskit.utils.typing import is_integer
  from bqskit.utils.typing import is_iterable
  
  _logger = logging.getLogger(__name__)
  
  
  class WindowOptimizationPass(BasePass):
      """
      The WindowOptimizationPass class.
  
      Previously run passes can leave window markers. This pass will select a
      window around that marker and resynthesize, potentially for a depth
      reduction.
      """
  
      def __init__(
          self,
          window_size: int = 9,
          synthesispass: SynthesisPass = QSearchSynthesisPass(),
          replace_filter: Callable[[Circuit, Circuit], bool] | None = None,
      ) -> None:
          """
          Construct a WindowOptimizationPass.
  
          Args:
              window_size (int): The size of the window to surround each
                  marker. (Default: 9)
  
              synthesispass (SynthesisPass): The configured synthesis algorithm
                  to use during window synthesis.
  
              replace_filter (Callable[[Circuit, Circuit], bool] | None):
                  A predicate that determines if the synthesis result should
                  replace the original operation. The first parameter is the
                  output from synthesis and the second parameter is the original
                  window. If this returns true, the newly synthesized circuit
                  will replace the original circuit. Defaults to always replace.
  
          Raises:
              ValueError: If `window_size` is <= 1.
          """
  
          if not is_integer(window_size):
              raise TypeError(
                  'Expected integer for success_threshold'
                  ', got %s' % type(window_size),
              )
  
          if window_size <= 1:
              raise ValueError(
                  'Expected integer greater than 1 for window_size'
                  ', got %d.' % window_size,
              )
  
          if not isinstance(synthesispass, SynthesisPass):
              raise TypeError(
                  'Expected SynthesisPass, got %s.' % type(synthesispass),
              )
  
          self.replace_filter = replace_filter or default_replace_filter
  
          if not callable(self.replace_filter):
              raise TypeError(
                  'Expected callable method for replace_filter'
                  ', got %s.' % type(self.replace_filter),
              )
  
          self.window_size = window_size
          self.synthesispass = synthesispass
  
      def run(self, circuit: Circuit, data: dict[str, Any] = {}) -> None:
          """Perform the pass's operation, see :class:`BasePass` for more."""
  
          # Check data for windows markers
          if 'window_markers' not in data:
              _logger.warning('Did not find any window markers.')
              return
  
          window_markers = data['window_markers']
          _logger.debug('Found window_markers: %s.' % str(window_markers))
  
          if not is_iterable(window_markers):
              _logger.debug('Invalid type for window_markers.')
              return
  
          if not all(is_integer(marker) for marker in window_markers):
              _logger.debug('Invalid type for window_markers.')
              return
  
          # Resynthesis each window
          index_shift = 0
          for marker in window_markers:
              marker -= index_shift
  
              # Slice window
              begin_cycle = int(marker - self.window_size // 2)
              end_cycle = int(marker + np.ceil(self.window_size / 2))
  
              if begin_cycle < 0:
                  begin_cycle = 0
  
              if end_cycle > circuit.num_cycles:
                  end_cycle = circuit.num_cycles - 1
  
              window = Circuit(circuit.num_qudits, circuit.radixes)
              window.extend(circuit[begin_cycle:end_cycle])
  
              _logger.info(
                  'Resynthesizing window from cycle '
                  f'{begin_cycle} to {end_cycle}.',
              )
  
              # Synthesize
              utry = window.get_unitary()
              new_window = self.synthesispass.synthesize(utry, data)
  
              # Replace
              if self.replace_filter(new_window, window):
                  _logger.debug('Replacing window with synthesized circuit.')
  
                  actual_window_size = end_cycle - begin_cycle
                  for _ in range(actual_window_size):
                      circuit.pop_cycle(begin_cycle)
  
                  circuit.insert_circuit(
                      begin_cycle,
                      new_window,
                      list(range(circuit.num_qudits)),
                  )
  
                  index_shift += actual_window_size - new_window.num_cycles
  
  
  def default_replace_filter(new_circuit: Circuit, og_window: Circuit) -> bool:
      return True
  