@class NSString; /** * Returns a string appropriate for displaying in test output * from the provided value. * * @param anyObject A value that will show up in a test's output. * * @return The string that is returned can be * customized per type by conforming a type to the `TestOutputStringConvertible` * protocol. When stringifying a non-`TestOutputStringConvertible` type, this * function will return the value's debug description and then its * normal description if available and in that order. Otherwise it * will return the result of constructing a string from the value. * * @see `TestOutputStringConvertible` */ extern NSString *_Nonnull NMBStringify(id _Nullable anyObject) __attribute__((warn_unused_result));