static long validateSeconds(long value, String name) {
        checkArgument(value >= 0, "%s: %s (expected: >= 0)", name, value);
        return value;
    }
Makes sure the specified {@code value} is not negative.

@param value the value in seconds
@param name the name of the parameter
@return {@code value}
core/src/main/java/com/linecorp/armeria/common/CacheControlBuilder.java