code: def resolve_artifacts(self, store, input_dict):
      only_key = list(input_dict)[0]
      return {
          self._new_key: input_dict[only_key],
      }
  
imports: from unittest import mock
  from absl.testing import parameterized
  import tensorflow
  from tfx.dsl.components.common import resolver
  from tfx.dsl.input_resolution import resolver_op
  from tfx.dsl.input_resolution.ops import ops
  from tfx.orchestration.portable.input_resolution import exceptions
  from tfx.orchestration.portable.input_resolution import input_graph_resolver
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.types import standard_artifacts
  from google.protobuf import text_format
label_desc: Use image node_id 2 for calling the RenameStrategy obj's underlying member method code with example usage: obj.resolve_artifacts(store, input_dict) and returns: dict