{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"new_size:"}]}
                                              new_size: usize) -> *mut u8 {
        pub(crate) unsafe fn realloc_fallback(&self, ptr: *mut u8, old_layout: Layout,
            // Docs for GlobalAlloc::realloc require this to be valid: