code: def get_config(self):
      return SamMaskDecoderConfig(
          hidden_size=self.hidden_size,
          hidden_act=self.hidden_act,
          mlp_dim=self.mlp_dim,
          num_hidden_layers=self.num_hidden_layers,
          num_attention_heads=self.num_attention_heads,
          attention_downsample_rate=self.attention_downsample_rate,
          num_multimask_outputs=self.num_multimask_outputs,
          iou_head_depth=self.iou_head_depth,
          iou_head_hidden_dim=self.iou_head_hidden_dim,
          layer_norm_eps=self.layer_norm_eps,
      )
  
imports: import gc
  import unittest
  import requests
  from transformers import SamConfig, SamMaskDecoderConfig, SamPromptEncoderConfig, SamVisionConfig, pipeline
  from transformers.testing_utils import backend_empty_cache, require_torch, slow, torch_device
  from transformers.utils import is_torch_available, is_vision_available
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 2 for calling the SamMaskDecoderTester obj's underlying member method code with example usage: obj.get_config() and returns: SamMaskDecoderConfig