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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_runtime::deno_napi::*;use std::cell::Cell;
unsafe fn get_backing_store_slice(  backing_store: &mut v8::SharedRef<v8::BackingStore>,  byte_offset: usize,  byte_length: usize,) -> &mut [u8] {  let cells: *const [Cell<u8>] =    &backing_store[byte_offset..byte_offset + byte_length];  let mut bytes = cells as *mut [u8];  &mut *bytes}
pub fn get_array_buffer_ptr(ab: v8::Local<v8::ArrayBuffer>) -> *mut u8 {  let mut backing_store = ab.get_backing_store();  let byte_length = ab.byte_length();  let mut slice =    unsafe { get_backing_store_slice(&mut backing_store, 0, byte_length) };  slice.as_mut_ptr()}