================================================================================
ifdef
================================================================================

#ifdef A
@interface UIImageView () <CALayerDelegate>
@end

@interface AA () {
  
}
@property (nonatomic) int i;
#if AA
@property (nonatomic) int i;
#elif AA
-(void)test1;
#else
+(void)test2;
#endif
@end

@implementation AA

- (void)test {

}
#ifdef AA
- (void)test {

}
#else
- (void)test {

}
#endif

@end

#endif

--------------------------------------------------------------------------------

(translation_unit
  (category_interface
    name: (identifier)
    (protocol_qualifiers
      name: (identifier)))
  (category_interface
    name: (identifier)
    (property_declaration
      (property_attributes
        (nonatomic))
      type: (primitive_type)
      declarator: (identifier))
    (property_declaration
      (property_attributes
        (nonatomic))
      type: (primitive_type)
      declarator: (identifier)))
  (class_implementation
    name: (identifier)
    (method_definition
      scope: (instance_scope)
      type: (primitive_type)
      selector: (identifier)
      body: (compound_statement))
    (method_definition
      scope: (instance_scope)
      type: (primitive_type)
      selector: (identifier)
      body: (compound_statement))))

================================================================================
NS_ASSUME_NONNULL: outside class interface
================================================================================

NS_ASSUME_NONNULL_BEGIN
@interface ClassName
@property (nonatomic, strong) NSObject *object;
@end
NS_ASSUME_NONNULL_END

--------------------------------------------------------------------------------

(translation_unit
  (class_interface
    name: (identifier)
    (property_declaration
      (property_attributes
        (nonatomic)
        (strong))
      type: (type_identifier)
      declarator: (pointer_declarator
        declarator: (identifier)))))

================================================================================
NS_ASSUME_NONNULL: inside class interface
================================================================================

@interface ClassName
NS_ASSUME_NONNULL_BEGIN
@property (nonatomic, strong) NSObject *object;
NS_ASSUME_NONNULL_END
@end

--------------------------------------------------------------------------------

(translation_unit
  (class_interface
    name: (identifier)
    (property_declaration
      (property_attributes
        (nonatomic)
        (strong))
      type: (type_identifier)
      declarator: (pointer_declarator
        declarator: (identifier)))))