#import "MGLNetworkConfiguration.h"

@implementation MGLNetworkConfiguration

+ (instancetype)sharedManager {
    static dispatch_once_t onceToken;
    static MGLNetworkConfiguration *_sharedManager;
    void (^setupBlock)(void) = ^{
        dispatch_once(&onceToken, ^{
            _sharedManager = [[self alloc] init];
        });
    };
    if (![[NSThread currentThread] isMainThread]) {
        dispatch_sync(dispatch_get_main_queue(), ^{
            setupBlock();
        });
    } else {
        setupBlock();
    }
    return _sharedManager;
}

@end