peregrine-cms-test-html/node_modules/@types/node/ts3.2/util.d.ts

Test your peregrine site to see what is supported.

// tslint:disable-next-line:no-bad-reference
/// <reference path="../util.d.ts" />

declare module "util" {
    namespace types {
        function isBigInt64Array(value: any): value is BigInt64Array;
        function isBigUint64Array(value: any): value is BigUint64Array;
    }
}