pkg go/ast, type Package //deprecated #52463
pkg go/ast, type Scope //deprecated #52463
pkg go/types, func NewAlias(*TypeName, Type) *Alias #63223
pkg go/types, func Unalias(Type) Type #63223
pkg go/types, method (*Alias) Obj() *TypeName #63223
pkg go/types, method (*Alias) String() string #63223
pkg go/types, method (*Alias) Underlying() Type #63223
pkg go/types, method (*Info) PkgNameOf(*ast.ImportSpec) *PkgName #62037

			s = "<-chan "
		case types.SendRecv:
			s = "chan "
		default:
			panic("unreachable")
		}
		buf.WriteString(s)
		w.writeType(buf, typ.Elem())

	case *types.Alias:
		w.writeType(buf, types.Unalias(typ))

	case *types.Named:
		obj := typ.Obj()
		pkg := obj.Pkg()
		if pkg != nil && pkg != w.current.Package {
			buf.WriteString(pkg.Name())
			buf.WriteByte('.')
		}

# Alias and validation alias


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


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

# Alias


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


class FormModelRequiredListAlias(BaseModel):
    p: list[str] = Field(alias="p_alias")


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

# Alias


@app.post("/required-bytes-alias", operation_id="required_bytes_alias")
async def read_required_bytes_alias(p: Annotated[bytes, File(alias="p_alias")]):
    return {"file_size": len(p)}


@app.post("/required-uploadfile-alias", operation_id="required_uploadfile_alias")
async def read_required_uploadfile_alias(
    p: Annotated[UploadFile, File(alias="p_alias")],
):

# Alias


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


class BodyModelRequiredListAlias(BaseModel):
    p: list[str] = Field(alias="p_alias")


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

# Alias


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


class QueryModelOptionalAlias(BaseModel):
    p: Optional[str] = Field(None, alias="p_alias")


@app.get("/model-optional-alias")

# Alias


@app.post("/optional-list-alias", operation_id="optional_list_alias")
async def read_optional_list_alias(
    p: Annotated[Optional[list[str]], Form(alias="p_alias")] = None,
):
    return {"p": p}


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

# Alias


@app.post("/optional-alias", operation_id="optional_alias")
async def read_optional_alias(
    p: Annotated[Optional[str], Body(embed=True, alias="p_alias")] = None,
):
    return {"p": p}


class BodyModelOptionalAlias(BaseModel):
    p: Optional[str] = Field(None, alias="p_alias")


@app.post("/model-optional-alias", operation_id="model_optional_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")