RMErrorRecoveryAttempter *errorRecoveryAttempter = [[RMErrorRecoveryAttempter alloc] init];
[errorRecoveryAttempter addRecoveryOptionWithLocalizedTitle:NSLocalizedString(@"Don\u2019t Unlock", @"RMMasterViewController delete locked item error don't unlock recovery option") recoveryBlock:^ BOOL (void) {
	// Do not attempt to recover from the error. Return NO to inform the caller that they should not resend the message that failed.
	return NO;
}];
[errorRecoveryAttempter addRecoveryOptionWithLocalizedTitle:NSLocalizedString(@"Unlock & Delete", @"RMMasterViewController delete locked item error unlock & delete recovery option") recoveryBlock:^ BOOL (void) {
	// Do the required work to recover from the error; unlock the item.
	[item setLocked:NO];
	// Return YES to inform the caller that they should resend the message that failed, not that the original functionality of that message has been performed.
	return YES;
}];
/*
	The `userInfo` dictionary populated with our localized title and messages strings and `RMErrorRecoveryAttempter`. If you have an underlying 
	error, for example an error from a failed `-[NSManagedObjectContext save:]`, you can include it under the `NSUnderlyingErrorKey`.
 */
NSDictionary *userInfo = @{
	NSLocalizedDescriptionKey : NSLocalizedString(@"Cannot delete a locked item", @"RMMasterViewController delete locked item error description"),
	NSLocalizedRecoverySuggestionErrorKey : NSLocalizedString(@"This item cannot be deleted because it is currently locked. Would you like to Unlock & Delete this item?", @"RMMasterViewController delete locked item error recovery suggestion"),
	NSRecoveryAttempterErrorKey : errorRecoveryAttempter,
	NSLocalizedRecoveryOptionsErrorKey : [errorRecoveryAttempter recoveryOptions],
};
*errorRef = [NSError errorWithDomain:RMErrorRecoveryAttempterSampleProjectErrorDomain code:RMErrorRecoveryAttempterSampleProjectErrorCodeLockedItem userInfo:userInfo];

- (void)rm_presentError:(NSError *)error completionHandler:(void (^)(BOOL recovered))completionHandler;

- (BOOL)presentError:(NSError *)error;
- (void)presentError:(NSError *)error modalForWindow:(NSWindow *)window delegate:(id)delegate didPresentSelector:(SEL)didPresentSelector contextInfo:(void *)contextInfo;