attributes.attribute(GradleModuleApiAttribute.attribute as Attribute<GradleModuleApiAttribute>, GradleModuleApiAttribute.API)
        attributes.attribute(Usage.USAGE_ATTRIBUTE as Attribute<Usage>, RUNTIME_ATTRIBUTE)
        attributes.attribute(Category.CATEGORY_ATTRIBUTE as Attribute<Category>, DOCUMENTATION_ATTRIBUTE)
        attributes.attribute(DocsType.DOCS_TYPE_ATTRIBUTE as Attribute<DocsType>, SOURCES_ATTRIBUTE)

    isCanBeResolved = true
    isCanBeConsumed = false
    attributes {
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.LIBRARY))
        attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_API))
        attribute(Bundling.BUNDLING_ATTRIBUTE, objects.named(Bundling.EXTERNAL))
        attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.CLASSES))
    }
}
notForAccessorGeneration {

fun Configuration.configureAsJarClasspath() {
    isCanBeResolved = true
    isCanBeConsumed = false

    attributes {
        attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.LIBRARY))
        attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.JAR))
    }
}

tasks.jar.configure {

    isVisible = false
    isCanBeResolved = false
    isCanBeConsumed = true
    attributes {
        attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.DOCUMENTATION))
        attribute(DocsType.DOCS_TYPE_ATTRIBUTE, objects.named("incubation-report-$reportType"))
    }
    extendsFrom(configurations.implementation.get())

    attributes {
        attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.LIBRARY))
        attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(libraryElements))
    }
    isCanBeResolved = true
    isCanBeConsumed = false

        isCanBeConsumed = true
        extendsFrom(configurations.implementation.get())
        attributes {
            attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
            attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.DOCUMENTATION))
            attribute(DocsType.DOCS_TYPE_ATTRIBUTE, objects.named("gradle-source-folders"))
        }
        val main = sourceSets.main.get()

And it will be annotated / documented accordingly too.

## Nested Models

Each attribute of a Pydantic model has a type.

But that type can itself be another Pydantic model.

So, you can declare deeply nested JSON "objects" with specific attribute names, types and validations.

All that, arbitrarily nested.

### Define a submodel

```Python hl_lines="4  7-8  18-19"
{!../../../docs_src/sql_databases/sql_app/models.py!}
```

The `__tablename__` attribute tells SQLAlchemy the name of the table to use in the database for each of these models.

### Create model attributes/columns

Now create all the model (class) attributes.

Each of these attributes represents a column in its corresponding database table.

We use `Column` from SQLAlchemy as the default value.

{!../../../docs_src/sql_databases_peewee/sql_app/models.py!}
```

!!! tip
    Peewee creates several magic attributes.

    It will automatically add an `id` attribute as an integer to be the primary key.

    It will chose the name of the tables based on the class names.

    For the `Item`, it will create an attribute `owner_id` with the integer ID of the `User`. But we don't declare it anywhere.

## Create the Pydantic models

              // Ignore this attribute, it isn't recognizable as a date.
            }
          }
          attributeName.equals("max-age", ignoreCase = true) -> {
            try {
              deltaSeconds = parseMaxAge(attributeValue)
              persistent = true
            } catch (_: NumberFormatException) {
              // Ignore this attribute, it isn't recognizable as a max age.
            }