{* ../../docs_src/advanced_middleware/tutorial002_py39.py hl[2,6:8] *}

The following arguments are supported:

* `allowed_hosts` - A list of domain names that should be allowed as hostnames. Wildcard domains such as `*.example.com` are supported for matching subdomains. To allow any hostname either use `allowed_hosts=["*"]` or omit the middleware.

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package target

import (
	"context"
	"database/sql"
	"encoding/json"

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package hash

import (
	"bytes"
	"context"
	"encoding/base64"

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"bytes"
	"context"
	"crypto/rand"

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"net/http"
	"os"
	"testing"
	"time"

import org.eclipse.aether.transfer.TransferEvent;
import org.eclipse.aether.transfer.TransferResource;

/**
 * Console download progress meter.
 * <p>
 * This listener is not thread-safe and should be wrapped in the {@link SimplexTransferListener} in a multi-threaded scenario.
 */
@Deprecated
public class ConsoleMavenTransferListener extends AbstractMavenTransferListener {

                    e.printStackTrace();
                }

                // despite all are back, we need to make sure all the events are processed (are async)
                // this one should block until all processed
                listener.transferSucceeded(new TransferEvent.Builder(session, resource)
                        .setType(TransferEvent.EventType.SUCCEEDED)
                        .build());

     */
    @Override
    boolean equals(Object obj);

    /**
     * Returns a string representation of this request, used for debugging and logging purposes.
     * The format should include the request type and any significant attributes that define the
     * request's state.
     *
     * @return a string representation of this request, never {@code null}
     */
    @Override
    @Nonnull

 * to avoid rewriting usual code.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public abstract class DefaultToolchain // should have been AbstractToolchain...
implements Toolchain, ToolchainPrivate {
    private final Logger logger;

    private String type;

    private Map<String, RequirementMatcher> provides = new HashMap<>();