public static void isTrue(boolean expression, String message) {
        if (!expression) {
            throw new IllegalArgumentException(message);
        }
    }
Assert a boolean expression, throwing an {@code IllegalArgumentException}
if the expression evaluates to {@code false}.
<pre class="code">Assert.isTrue(i &gt; 0, "The value must be greater than zero");</pre>

@param expression a boolean expression
@param message    the exception message to use if the assertion fails
@throws IllegalArgumentException if {@code expression} is {@code false}
analyzer/src/main/java/nl/basjes/parse/useragent/utils/springframework/util/Assert.java