Documenting that size() of a decrypting stream (in C++) is not guaranteed to be correct.
Documenting that size() of a decrypting stream (in C++) is not guaranteed to be correct.

PiperOrigin-RevId: 264564958

google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink