${mavenCentralRepository()}
        """
        and:

        file("src/main/antlr/org/acme/TestGrammar.g") << """ class TestGrammar extends Parser;
        options {
            buildAST = true;
        }

        expr:   mexpr (PLUS^ mexpr)* SEMI!
        ;

        mexpr
        :   atom (STAR^ atom)*
        ;

        atom:   INT
        ;"""

        when:

// limitations under the License.

package dockerfile

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"

	"github.com/moby/buildkit/frontend/dockerfile/parser"
	"github.com/moby/buildkit/frontend/dockerfile/shell"

	istiolog "istio.io/istio/pkg/log"
	"istio.io/istio/tools/docker-builder/builder"
)

// Option is a functional option for remote operations.

	"go.opentelemetry.io/otel/sdk/trace"
	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
	traceapi "go.opentelemetry.io/otel/trace"

	"istio.io/istio/pkg/log"
)

// Inspired by https://github.com/moby/buildkit/blob/d9a6afdf089a7c4b97cac704a60ad70c21086f12/util/tracing/detect/otlp.go#L18
// Most OTLP aspects are configured by Environment variables, but the actual client we use needs to be explicitly defined.

  %0 = "tfr.cast"(%arg0) : (tensor<f32>) -> !tfr.tensor
  %1 = "tfr.cast"(%arg1) : (tensor<f32>) -> !tfr.tensor
  %2 = "tfr.cast"(%arg2) : (tensor<f32>) -> !tfr.tensor
  %3 = "tfr.build_list"(%0, %1, %2) : (!tfr.tensor, !tfr.tensor, !tfr.tensor) -> !tfr.tensor_list
  %concat = tfr.call @tf__risc_concat(%3) : (!tfr.tensor_list) -> !tfr.tensor
  %4 = "tfr.cast"(%concat) : (!tfr.tensor) -> tensor<3xf32>