pkg math/rand, type Source64 interface, Seed(int64)
pkg math/rand, type Source64 interface, Uint64() uint64
pkg net/http, const TrailerPrefix ideal-string
pkg net/http, const TrailerPrefix = "Trailer:"
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeDone func(tls.ConnectionState, error)
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeStart func()

	return r.Header.Get(xhttp.AmzContentSha256) == streamingContentSHA256Trailer &&
		r.Method == http.MethodPut
}

// Verify if the request has AWS Streaming Signature Version '4', with unsigned content and trailer.
func isRequestUnsignedTrailerV4(r *http.Request) bool {
	return r.Header.Get(xhttp.AmzContentSha256) == unsignedPayloadTrailer &&

// then this returns an error.
func (tw *Writer) Close() error {
	if tw.err == ErrWriteAfterClose {
		return nil
	}
	if tw.err != nil {
		return tw.err
	}

	// Trailer: two zero blocks.
	err := tw.Flush()
	for i := 0; i < 2 && err == nil; i++ {
		_, err = tw.w.Write(zeroBlock[:])
	}

	// Ensure all future actions are invalid.
	tw.err = ErrWriteAfterClose

    <glob pattern="*.wspolicy"/>
  </mime-type>
  
  <mime-type type="image/x-tga">
     <alias type="image/x-targa"/>
     <!-- trailer bytes: 54 52 55 45 56 49 53 49 4F 4E 2D 58 46 49 4C 45 2E 00
          trailer as string: TRUEVISION-XFILE\\x2E\\x00
          Some .tga files may be conflicting with application/x-123 recognition, 

  This time Alice waited patiently until it chose to speak again.
In a minute or two the Caterpillar took the hookah out of its
mouth and yawned once or twice, and shook itself.  Then it got
down off the mushroom, and crawled away in the grass, merely
remarking as it went, `One side will make you grow taller, and
the other side will make you grow shorter.'

  `One side of WHAT?  The other side of WHAT?' thought Alice to
herself.

pkg image/draw, type Drawer interface { Draw }
pkg image/draw, type Drawer interface, Draw(Image, image.Rectangle, image.Image, image.Point)
pkg image/draw, type Quantizer interface { Quantize }
pkg image/draw, type Quantizer interface, Quantize(color.Palette, image.Image) color.Palette
pkg image/draw, var FloydSteinberg Drawer
pkg image/gif, func Encode(io.Writer, image.Image, *Options) error

pkg net/http, type Request struct, RemoteAddr string
pkg net/http, type Request struct, RequestURI string
pkg net/http, type Request struct, TLS *tls.ConnectionState
pkg net/http, type Request struct, Trailer Header
pkg net/http, type Request struct, TransferEncoding []string
pkg net/http, type Request struct, URL *url.URL
pkg net/http, type Response struct
pkg net/http, type Response struct, Body io.ReadCloser