# Cookie Parameter Models { #cookie-parameter-models }

If you have a group of **cookies** that are related, you can create a **Pydantic model** to declare them. 🍪

This would allow you to **re-use the model** in **multiple places** and also to declare validations and metadata for all the parameters at once. 😎

/// note

This is supported since FastAPI version `0.115.0`. 🤓

///

/// tip

        {"url": "https://prod.example.com", "description": "Production environment"},
    ],
    root_path="/api/v1",
)


@app.get("/app")
def read_main(request: Request):

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Provides classes for managing Maven toolchains, which allow projects to use specific
 * tool installations (like JDKs, compilers, or other build tools) across different
 * environments without hardcoding paths.
 *
 * @since 4.0.0
 */

from fastapi import FastAPI
from fastapi.responses import JSONResponse

app = FastAPI()


@app.get("/headers/")
def get_headers():
    content = {"message": "Hello World"}
    headers = {"X-Cat-Dog": "alone in the world", "Content-Language": "en-US"}

 * resources are files and directories however an <code>SmbFile</code>
 * may also refer to servers and workgroups. If the resource is a file or
 * directory the methods of <code>SmbFile</code> follow the behavior of
 * the well known {@link java.io.File} class. One fundamental difference
 * is the usage of a URL scheme [1] to specify the target file or
 * directory. SmbFile URLs have the following syntax:
 *

    ],
    root_path="/api/v1",
    root_path_in_servers=False,
)


@app.get("/app")
def read_main(request: Request):

        assert orjson is not None, "orjson must be installed"
        return orjson.dumps(content, option=orjson.OPT_INDENT_2)


@app.get("/", response_class=CustomORJSONResponse)
async def main():

  private static final class ComplementRanges<C extends Comparable>
      extends ImmutableList<Range<C>> {

    private final ImmutableList<Range<C>> ranges;

    // True if the "positive" range set is empty or bounded below.
    private final boolean positiveBoundedBelow;

    // True if the "positive" range set is empty or bounded above.
    private final boolean positiveBoundedAbove;

    private final int size;

    prefix="/admin",
    tags=["admin"],
    dependencies=[Depends(get_token_header)],
    responses={418: {"description": "I'm a teapot"}},
)


@app.get("/")
async def root():

{{- $statements_length := sub $statements_length 1 -}}
{
  "Version": "2012-10-17",
  "Statement": [
{{- range $i, $statement := .statements }}
    {
      "Effect": "{{ $statement.effect | default "Allow" }}",
      "Action": [
"{{ $statement.actions | join "\",\n\"" }}"
      ]{{ if $statement.resources }},
      "Resource": [
"{{ $statement.resources | join "\",\n\"" }}"
      ]{{ end }}