Sets the salt to use to hash this Account's credentials (eg for password hashing), or {@code null} if no salt
is used or credentials are not hashed at all.
@param salt the salt to use to hash this Account's credentials (eg for password hashing), or {@code null} if no
salt is used or credentials are not hashed at all.
Sets the salt to use to hash this Account's credentials (eg for password hashing), or {@code null} if no salt is used or credentials are not hashed at all.
@param salt the salt to use to hash this Account's credentials (eg for password hashing), or {@code null} if no salt is used or credentials are not hashed at all.