NSArray(AWSMTLManipulationAdditions)

@interface NSArray (AWSMTLManipulationAdditions)

// The first object in the array or nil if the array is empty.
// Forwards to `firstObject` which has been first declared in iOS7, but works with iOS4/10.6.
@property (nonatomic, readonly, strong) id awsmtl_firstObject;

// Returns a new array without all instances of the given object.
- (NSArray *)awsmtl_arrayByRemovingObject:(id)object;

// Returns a new array without the first object. If the array is empty, it
// returns the empty array.
- (NSArray *)awsmtl_arrayByRemovingFirstObject;

// Returns a new array without the last object. If the array is empty, it
// returns the empty array.
- (NSArray *)awsmtl_arrayByRemovingLastObject;

@end