class_docstr: Embeds images and texts into a shared space.
class_docstr_tok: ["Embeds","images","and","texts","into","a","shared","space","."]
docstr: Loads backbone parameters for this model from a checkpoint.
docstr_tok: ["Loads","backbone","parameters","for","this","model","from","a","checkpoint","."]
code: def load_backbone(
      self, params: Params, backbone_checkpoint_path: Optional[str]
  ) -> Params:
      """Loads backbone parameters for this model from a checkpoint."""
      pass
  
imports: import abc
  import functools
  from typing import Any, Callable, Dict, Optional, Tuple, Union, Sequence
  from absl import logging
  from big_vision.models import bit
  from big_vision.models import vit
  import flax
  import flax.linen
  import jax
  import jax.numpy
  import ml_collections
  import numpy
  from scenic.model_lib.base_models import box_utils
  from scenic.projects.owl_vit import utils
  from scenic.projects.owl_vit.clip import layers
  from scenic.projects.owl_vit.clip import model
label_desc: Use image node_id 2 for calling the ImageTextEmbedderBase obj's underlying member method code with example usage: obj.load_backbone(params, backbone_checkpoint_path) without return types