assemblyscript/std/assembly/env.ts

declare function abort(
  message?: string | null,
  fileName?: string | null,
  lineNumber?: u32,
  columnNumber?: u32
): void;

declare function trace(
  message: string,
  n?: i32,
  a0?: f64,
  a1?: f64,
  a2?: f64,
  a3?: f64,
  a4?: f64
): void;