Upon_unreleasable_issue (ppx_expect.Expect_test_config.Upon_unreleasable

type t = [

`\|` `CR	Leaves a CR, so that features cannot be released.
`\|` `Warning_for_collector_testing	Only for ppx_expect testing; do not use.

]

val equal : t -> t -> bool

val comment_prefix : t -> string

val message_when_expectation_contains_backtrace : t -> string

Message to print when an expectation contains a backtrace