Implement Default for ClosedStream #5242

Job	Run time
test on illumos	6m 52s
test on solaris	6m 53s
audit	23s
features (ubuntu-latest)	1h 21m 27s
lint	1m 3s
features (macos-latest)	26m 26s
msrv	1m 13s
test (ubuntu-latest, stable)	1m 27s
features (windows-latest)	50m 25s
test (ubuntu-latest, beta)	1m 17s
test-aws-lc-rs	2m 8s
test-android (x86_64-linux-android, x86_64, 26)	3m 6s
test (macos-latest, stable)	1m 11s
test on freebsd	4m 13s
test-android (x86_64-linux-android, x86_64, 25)	2m 34s
test (windows-latest, stable)	4m 10s
test on netbsd	5m 14s
test-android (i686-linux-android, x86, 26)	2m 49s
test-android (i686-linux-android, x86, 25)	2m 34s
test wasm32-unknown-unknown	49s
	3h 26m 14s

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