@interface FxPlugGroup : NSObject { struct FxPlugGroupPriv { id x0; id x1; } *_priv; } + (id)fxPlugGroupWithDescriptor:(id)a0; - (id)initWithDescriptor:(id)a0; - (void)dealloc; - (unsigned int)count; - (id)descriptor; - (void)addFxPlugDescriptor:(id)a0; - (id)fxPlugDescriptorAtIndex:(int)a0; @end