use wasm_bindgen::prelude::*;
#[wasm_bindgen]
extern {
pub type MemoryUsage;
#[wasm_bindgen(method, getter)]
pub fn external(this: &MemoryUsage) -> f64;
#[wasm_bindgen(method, getter, js_name = "heapTotal")]
pub fn heap_total(this: &MemoryUsage) -> f64;
#[wasm_bindgen(method, getter, js_name = "heapUsed")]
pub fn heap_used(this: &MemoryUsage) -> f64;
#[wasm_bindgen(method, getter)]
pub fn rss(this: &MemoryUsage) -> f64;
}