lib/Assertion.php
function below($value): self {
    $target = $this->hasFlag('length') ? $this->getLength($this->target) : $this->target;
    return $this->expect($target, lessThan($value));
  }
function below($value): self {
    $target = $this->hasFlag('length') ? $this->getLength($this->target) : $this->target;
    return $this->expect($target, lessThan($value));
  }
Reports an error if the target is not less than the specified value.
@param int|float $value The value to compare.
@return self This instance.