in packages/dynamodb-data-mapper-annotations/src/attribute.ts [197:209]
function isBinaryType(arg: any): boolean {
return arg === Uint8Array || arg.prototype instanceof Uint8Array ||
arg === Uint8ClampedArray || arg.prototype instanceof Uint8ClampedArray ||
arg === Uint16Array || arg.prototype instanceof Uint16Array ||
arg === Uint32Array || arg.prototype instanceof Uint32Array ||
arg === Int8Array || arg.prototype instanceof Int8Array ||
arg === Int16Array || arg.prototype instanceof Int16Array ||
arg === Int32Array || arg.prototype instanceof Int32Array ||
arg === Float32Array || arg.prototype instanceof Float32Array ||
arg === Float64Array || arg.prototype instanceof Float64Array ||
arg === ArrayBuffer || arg.prototype instanceof ArrayBuffer ||
arg === DataView || arg.prototype instanceof DataView;
}