@import Foundation; @interface ClassWithHandlerMethods + (void)firstBoolFlagSuccess:(NSString *_Nonnull)str completion:(void (^_Nonnull)(NSString *_Nullable, BOOL, BOOL, NSError *_Nullable))handler __attribute__((swift_async_error(zero_argument, 2))); + (void)secondBoolFlagFailure:(NSString *_Nonnull)str completion:(void (^_Nonnull)(NSString *_Nullable, BOOL, BOOL, NSError *_Nullable))handler __attribute__((swift_async_error(nonzero_argument, 3))); @end