"401": {"description": "Client error level 1"},
                        "402": {"description": "Client error level 2"},
                        "403": {"description": "Client error level 3"},
                        "404": {"description": "Client error level 4"},
                        "405": {"description": "Client error level 5"},
                        "422": {

pkg syscall (netbsd-arm64), func Fchdir(int) error
pkg syscall (netbsd-arm64), func Fchflags(int, int) error
pkg syscall (netbsd-arm64), func Fchmod(int, uint32) error
pkg syscall (netbsd-arm64), func Fchown(int, int, int) error
pkg syscall (netbsd-arm64), func FcntlFlock(uintptr, int, *Flock_t) error
pkg syscall (netbsd-arm64), func Flock(int, int) error
pkg syscall (netbsd-arm64), func FlushBpf(int) error

pkg io/fs, var ErrClosed error
pkg io/fs, var ErrExist error
pkg io/fs, var ErrInvalid error
pkg io/fs, var ErrNotExist error
pkg io/fs, var ErrPermission error
pkg io/fs, var SkipDir error
pkg log, func Default() *Logger
pkg net, var ErrClosed error
pkg net/http, func FS(fs.FS) FileSystem
pkg net/http, type Transport struct, GetProxyConnectHeader func(context.Context, *url.URL, string) (Header, error)

</p>

<h2 id="Errors">Errors</h2>

<p>
The predeclared type <code>error</code> is defined as
</p>

<pre>
type error interface {
	Error() string
}
</pre>

<p>
It is the conventional interface for representing an error condition,
with the nil value representing no error.
For instance, a function to read data from a file might be defined:
</p>

<pre>