public static System.Buffers.BoundedMemory <T> AllocateFromExistingData <T>(T[] data, System.Buffers.PoisonPagePlacement placement = System.Buffers.PoisonPagePlacement.After) where T : unmanaged
 {
     throw null;
 }
 public static System.Buffers.BoundedMemory <T> Allocate <T>(int elementCount, System.Buffers.PoisonPagePlacement placement = System.Buffers.PoisonPagePlacement.After) where T : unmanaged
 {
     throw null;
 }