isNotNullOrUndefinedfunction isNotNullOrUndefined<T>(input: Maybe<T>): input is NotNullOrUndefined<T>;§isNotNullOrUndefined<T>(input: Maybe<T>): input is NotNullOrUndefined<T>[src]§Type Parameters§T[src]§Parameters§input: Maybe<T>[src]§Return Type§input is NotNullOrUndefined<T>[src]