ASSERT_THAT(new_config.specs().specs(), SizeIs(2));

  const QuantizationSpec& default_spec = new_config.specs().specs(0);
  EXPECT_THAT(default_spec.matcher().function_name().regex(), StrEq(".*"));
  EXPECT_TRUE(default_spec.method().has_static_range_ptq());

  // Test that the expansion for convolution ops is done.
  const QuantizationSpec& conv_spec = new_config.specs().specs(1);

// `QuantizationSpec`s so that specs can be easily passed around or represented
// as a textproto.
// Next ID: 2
message QuantizationSpecs {
  // List of `QuantizationSpec`s. Later spec in the sequence takes precedence.
  //
  // NOTE: Tie-breaking mechanism is not yet supported. Providing multiple
  // `QuantizationSpec` with conflicting quantizable units may result in