doc: add note of caution about non-conforming streams

PR-URL: #29895
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/stream.md

@@ -1678,6 +1678,13 @@ of a stream that are intended for use by consumers (as described in the
 [API for Stream Consumers][] section). Doing so may lead to adverse side effects
 in application code consuming the stream.
 
+Avoid overriding public methods such as `write()`, `end()`, `cork()`,
+`uncork()`, `read()` and `destroy()`, or emitting internal events such
+as `'error'`, `'data'`, `'end'`, `'finish'` and `'close'` through `.emit()`.
+Doing so can break current and future stream invariants leading to behavior
+and/or compatibility issues with other streams, stream utilities, and user
+expectations.
+
 ### Simplified Construction
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