--- libmalloc/libmalloc-374.60.3/private/malloc_private.h
+++ libmalloc/libmalloc-317.100.9/private/malloc_private.h
@@ -76,21 +76,16 @@
 API_AVAILABLE(macos(10.14), ios(12.0), tvos(12.0), watchos(5.0))
 int malloc_engaged_nano(void) __result_use_check;
 
-/****** Crash Reporter integration ******/
+
+/********* PGuard ************/
+
+const static uint32_t k_pguard_trace_max_frames = 16;
 
 typedef struct {
 	uint64_t thread_id;
-	uint64_t time;
 	uint32_t num_frames;
-	vm_address_t frames[64];
+	vm_address_t frames[k_pguard_trace_max_frames];
 } stack_trace_t;
-
-/**
- * Like memory_reader_t, but caller must free returned memory if not NULL.
- */
-typedef void *(*crash_reporter_memory_reader_t)(task_t task, vm_address_t address, size_t size);
-
-/****** Probabilistic Guard Malloc ******/
 
 typedef struct {
 	// diagnose_page_fault
@@ -102,25 +97,18 @@
 	size_t allocation_size;
 	const char *allocation_state;
 	uint32_t num_traces;
-	// fill_in_trace
 	stack_trace_t alloc_trace;
 	stack_trace_t dealloc_trace;
-} pgm_report_t;
+} pguard_report_t;
+typedef pguard_report_t pgm_report_t;
 
+/**
+ * Like memory_reader_t, but caller must free returned memory if not NULL.
+ */
+typedef void *(*crash_reporter_memory_reader_t)(task_t task, vm_address_t address, size_t size);
+
+API_AVAILABLE(macos(10.16), ios(14.0), tvos(14.0), watchos(7.0))
 kern_return_t pgm_diagnose_fault_from_crash_reporter(vm_address_t fault_address, pgm_report_t *report,
-		task_t task, vm_address_t zone_address, crash_reporter_memory_reader_t crm_reader) __result_use_check;
-
-/****** Quarantine Zone ******/
-
-typedef struct {
-	vm_address_t fault_address;
-	vm_address_t nearest_allocation;
-	size_t allocation_size;
-	stack_trace_t alloc_trace;
-	stack_trace_t dealloc_trace;
-} quarantine_report_t;
-
-kern_return_t quarantine_diagnose_fault_from_crash_reporter(vm_address_t fault_address, quarantine_report_t *report,
 		task_t task, vm_address_t zone_address, crash_reporter_memory_reader_t crm_reader) __result_use_check;