* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.dsl.source.model;

import org.gradle.api.Action;

public interface TypeContainer {
    void visitTypes(Action<TypeMetaData> action);

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.model;

public interface Attachable<T> {
    void attach(ClassMetaDataRepository<T> repository);

import org.apache.maven.toolchain.io.ToolchainsReader;
import org.apache.maven.toolchain.io.ToolchainsWriter;
import org.apache.maven.toolchain.merge.MavenToolchainMerger;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.model.TrackableBase;
import org.codehaus.plexus.interpolation.EnvarBasedValueSource;
import org.codehaus.plexus.interpolation.InterpolationException;

import org.apache.maven.api.xml.XmlService;
import org.apache.maven.impl.DefaultMessageBuilderFactory;
import org.apache.maven.lifecycle.MojoExecutionConfigurator;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;

audio/mpeg                     mp2 mpa mpg mpga # MP2 Sound File
audio/x-mpeg                   mp2              # MP2 Sound File
chemical/x-pdb                 pdb              # PDB Chemistry Model File
chemical/x-xyz                 xyz              # XYZ Chemistry Model File
drawing/x-dwf                  dwf              # AutoCAD
image/gif                      gif              # GIF image file
image/ief                      ief              # Image Exchange

    // ----------------------------------------------------------------------
    //
    // p1 inherits from p0
    // p0 inherits from super model
    //
    // or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // ----------------------------------------------------------------------

    /**
     * How the test project is set up:
     *

import org.apache.maven.internal.impl.DefaultSession;
import org.apache.maven.internal.impl.DefaultSessionFactory;
import org.apache.maven.internal.impl.InternalMavenSession;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.session.scope.internal.SessionScope;
import org.codehaus.plexus.PlexusContainer;

 */
package org.apache.maven.project;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.maven.model.building.DefaultModelProblem;
import org.apache.maven.model.building.ModelProblem;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.dsl.source.model;

import java.util.List;

public interface LanguageElement {
    String getRawCommentText();

    List<String> getAnnotationTypeNames();

    boolean isDeprecated();

    boolean isIncubating();

<div class="termy">

```console
$ pip install sqlmodel
---> 100%
```

</div>

## Criar o App com um Único Modelo { #create-the-app-with-a-single-model }

Vamos criar a primeira versão mais simples do app com um único modelo **SQLModel**.

Depois, vamos melhorá-lo aumentando a segurança e versatilidade com **múltiplos modelos** abaixo. 🤓