}


def test_header_param_model_no_underscore(client: TestClient):
    response = client.get(
        "/items/",
        headers=[
            ("save-data", "true"),
            ("if-modified-since", "yesterday"),
            ("traceparent", "123"),
            ("x-tag", "one"),
            ("x-tag", "two"),
        ],
    )
    assert response.status_code == 422
    assert response.json() == snapshot(

 */
package org.apache.maven.toolchain.java;

import org.apache.maven.toolchain.Toolchain;

/**
 * JDK toolchain interface.
 *
 * @since 2.0.9, renamed from JavaToolChain in 3.2.4
 * @deprecated Use {@link org.apache.maven.api.JavaToolchain} instead.
 */
@Deprecated(since = "4.0.0")

 */

/**
 * <a href="https://maven.apache.org/resolver/">Maven Resolver</a> extensions for utilizing the Maven POM and Maven
 * repository metadata.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.toolchain;

/**
 * Toolchain interface.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public interface Toolchain {

    /**
     * get the type of toolchain.
     *
     * @return the toolchain type
     */
    String getType();

import org.apache.maven.toolchain.model.ToolchainModel;

/**
 * Internal toolchain factory, to prepare toolchains instances.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainFactory} instead.
 */
@Deprecated(since = "4.0.0")
public interface ToolchainFactory {
    /**
     * Create instance of toolchain.
     **/

import org.eclipse.aether.version.VersionScheme;

/**
 * Default version scheme provider: provides singleton {@link GenericVersionScheme} instance.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Singleton
@Named
@Deprecated(since = "4.0.0")
public final class DefaultVersionSchemeProvider implements Provider<VersionScheme> {
    private final GenericVersionScheme genericVersionScheme;

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.settings.Settings;

/**
 * Collects the output of the settings builder.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
class DefaultSettingsBuildingResult implements SettingsBuildingResult {

    private Settings effectiveSettings;

    private List<SettingsProblem> problems;

/**
 * Builds the effective settings from a user settings file, a project settings file
 * and/or a global settings file.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface SettingsBuilder {

    /**
     * Builds the effective settings of the specified settings files.
     *

     * @return this MavenExecutionRequest
     * @since 3.2
     * @deprecated Since Maven 4: use {@link #getProjectActivation()}.
     */
    @Deprecated
    MavenExecutionRequest setExcludedProjects(List<String> projects);

    /**
     * @return the excluded projects, never {@code null}
     * @since 3.2
     * @deprecated Since Maven 4: use {@link #getProjectActivation()}.
     */
    @Deprecated

   * HTTP2-Settings} </a> header field name.
   *
   * @since 24.0
   */
  public static final String HTTP2_SETTINGS = "HTTP2-Settings";

  /** The HTTP {@code If-Match} header field name. */
  public static final String IF_MATCH = "If-Match";

  /** The HTTP {@code If-Modified-Since} header field name. */
  public static final String IF_MODIFIED_SINCE = "If-Modified-Since";