## Otimizar Desempenho da Resposta - Modelo de Resposta - Tipo de Retorno { #optimize-response-performance-response-model-return-type }

 * under the License.
 */
package org.apache.maven.model.profile.activation;

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Locale;

import org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationOS;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.profile.ProfileActivationContext;

import groovy.lang.Closure;
import gradlebuild.docs.dsl.docbook.model.BlockDoc;
import gradlebuild.docs.dsl.docbook.model.ClassDoc;
import gradlebuild.docs.dsl.docbook.model.MethodDoc;
import gradlebuild.docs.dsl.docbook.model.PropertyDoc;
import gradlebuild.docs.dsl.source.model.MethodMetaData;
import gradlebuild.docs.dsl.source.model.TypeMetaData;
import org.w3c.dom.Element;

import java.util.Collection;

    app = FastAPI()
    model = ModelWithDatetimeField(dt_field=datetime(2019, 1, 1, 8))

    @app.get("/model", response_model=ModelWithDatetimeField)
    def get_model():
        return model

    client = TestClient(app)
    with client:
        response = client.get("/model")

 * string is not human readable, but can be used with classes like [InetAddress] to establish
 * connections.
 *
 * ## Why another URL model?
 *
 * Java includes both [java.net.URL][URL] and [java.net.URI][URI]. We offer a new URL
 * model to address problems that the others don't.
 *
 * ### Different URLs should be different
 *

app = FastAPI()


class Model(BaseModel):
    param: str = Field(alias="param_alias")


@app.get("/query")
async def query_model(data: Model = Query()):
    return {"param": data.param}


@app.get("/header")
async def header_model(data: Model = Header()):
    return {"param": data.param}


@app.get("/cookie")
async def cookie_model(data: Model = Cookie()):
    return {"param": data.param}

## Optimiser la performance des réponses - Modèle de réponse - Type de retour { #optimize-response-performance-response-model-return-type }

Base64'ü sadece gerçekten JSON içine ikili veri koymanız gerekiyorsa ve bunun için dosya kullanamıyorsanız tercih edin.

## Pydantic `bytes` { #pydantic-bytes }

`bytes` alanları olan bir Pydantic model tanımlayabilir, ardından model config'inde `val_json_bytes` kullanarak giriş JSON verisini base64 ile doğrulamasını (validate) söyleyebilirsiniz; bu doğrulamanın bir parçası olarak base64 string'i bytes'a decode eder.

 * under the License.
 */
package org.apache.maven.model.profile.activation;

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;

import org.apache.maven.model.Activation;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelProblem.Severity;

## Query-Parameter mit einem Pydantic-Modell { #query-parameters-with-a-pydantic-model }

Deklarieren Sie die benötigten **Query-Parameter** in einem **Pydantic-Modell** und dann den Parameter als `Query`:

{* ../../docs_src/query_param_models/tutorial001_an_py310.py hl[9:13,17] *}