if [[ -n "$(which grealpath)" ]] &&  [[ -n "$(which gstat)" ]]; then
  alias realpath=grealpath
  alias stat=gstat
  # By default, aliases are only expanded in interactive shells, which means
  # that they are not substituted for their corresponding commands in shell
  # scripts. By setting "expand_aliases", we enable alias expansion in
  # non-interactive shells as well.
  shopt -s expand_aliases
else

# =====================================================================================
# Alias and validation alias


@app.post(
    "/optional-bytes-alias-and-validation-alias",
    operation_id="optional_bytes_alias_and_validation_alias",
)
def read_optional_bytes_alias_and_validation_alias(
    p: Annotated[
        bytes | None, File(alias="p_alias", validation_alias="p_val_alias")
    ] = None,
):

# Alias


@app.get("/optional-list-alias")
async def read_optional_list_alias(
    p: Annotated[list[str] | None, Query(alias="p_alias")] = None,
):
    return {"p": p}


class QueryModelOptionalListAlias(BaseModel):
    p: list[str] | None = Field(None, alias="p_alias")


@app.get("/model-optional-list-alias")
async def read_model_optional_list_alias(

# Alias and validation alias


@app.get("/required-alias-and-validation-alias")
def read_required_alias_and_validation_alias(
    p: Annotated[str, Header(alias="p_alias", validation_alias="p_val_alias")],
):
    return {"p": p}


class HeaderModelRequiredAliasAndValidationAlias(BaseModel):
    p: str = Field(alias="p_alias", validation_alias="p_val_alias")

  # version.
  meta = open(os.path.join(android_ndk_home_path, 'meta/platforms.json'))
  platforms = json.load(meta)
  meta.close()
  aliases = platforms['aliases']
  api_levels = sorted(list(set([aliases[i] for i in aliases])))

  android_ndk_api_level = prompt_loop_or_load_from_env(
      environ_cp,
      var_name='ANDROID_NDK_API_LEVEL',

# Alias


@app.post("/required-alias", operation_id="required_alias")
async def read_required_alias(p: Annotated[str, Form(alias="p_alias")]):
    return {"p": p}


class FormModelRequiredAlias(BaseModel):
    p: str = Field(alias="p_alias")


@app.post("/model-required-alias", operation_id="model_required_alias")

# Alias and validation alias


@app.get("/required-list-alias-and-validation-alias")
def read_required_list_alias_and_validation_alias(
    p: Annotated[list[str], Header(alias="p_alias", validation_alias="p_val_alias")],
):
    return {"p": p}


class HeaderModelRequiredListAliasAndValidationAlias(BaseModel):
    p: list[str] = Field(alias="p_alias", validation_alias="p_val_alias")

@app.get("/model-optional-alias-and-validation-alias")
def read_model_optional_alias_and_validation_alias(
    p: Annotated[QueryModelOptionalAliasAndValidationAlias, Query()],
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    [
        "/optional-alias-and-validation-alias",
        "/model-optional-alias-and-validation-alias",
    ],
)

# =====================================================================================
# Alias and validation alias


@app.post(
    "/list-bytes-alias-and-validation-alias",
    operation_id="list_bytes_alias_and_validation_alias",
)
def read_list_bytes_alias_and_validation_alias(
    p: Annotated[list[bytes], File(alias="p_alias", validation_alias="p_val_alias")],
):
    return {"file_size": [len(file) for file in p]}

# Alias


@app.post("/required-alias", operation_id="required_alias")
async def read_required_alias(
    p: Annotated[str, Body(embed=True, alias="p_alias")],
):
    return {"p": p}


class BodyModelRequiredAlias(BaseModel):
    p: str = Field(alias="p_alias")


@app.post("/model-required-alias", operation_id="model_required_alias")