System/Library/Frameworks/Metal.framework

_MTLIndirectDrawArguments.h

NSObject

@interface _MTLIndirectDrawArguments : NSObject

@property (nonatomic) unsigned long long primitiveType;
@property (nonatomic) unsigned long long vertexStart;
@property (nonatomic) unsigned long long vertexCount;
@property (nonatomic) unsigned long long instanceCount;
@property (nonatomic) unsigned long long baseInstance;

@end