description: Environment adds the value of an environment
                              variable to each span.
                            properties:
                              defaultValue:
                                description: Optional.
                                type: string
                              name:

                            description: Environment adds the value of an environment
                              variable to each span.
                            properties:
                              defaultValue:
                                description: Optional.
                                type: string
                              name:

                            description: Environment adds the value of an environment
                              variable to each span.
                            properties:
                              defaultValue:
                                description: Optional.
                                type: string
                              name:

    Arg<TF_Tensor, [{Any shape.  Keys to look up.}]>:$keys,
    TF_Tensor:$default_value
  );

  let results = (outs
    Res<TF_Tensor, [{Same shape as `keys`.  Values found in the table, or `default_values`
for missing keys.}]>:$values
  );

  TF_DerivedOperandTypeAttr Tin = TF_DerivedOperandTypeAttr<1>;
  TF_DerivedOperandTypeAttr Tout = TF_DerivedOperandTypeAttr<2>;
}