in src/utils/nonNull.ts [21:30]
export function nonNullValue<T>(value: T | undefined, propertyNameOrMessage?: string): T {
if (value === null || value === undefined) {
throw new AzFuncSystemError(
'Internal error: Expected value to be neither null nor undefined' +
(propertyNameOrMessage ? `: ${propertyNameOrMessage}` : '')
);
}
return value;
}