condition is true and "featureToggle" is enabled.
condition is false and "featureToggle" is disabled. In that case this content should not be rendered.
condition is false and "featureToggle" is disabled but it has "!" as a prefix of the feature toggle to be checked. In that case this content should be rendered.
This is a combined condition. It shows if enableSecondText is true and enableFirstText is falsy. If both cases are correct, then the "featureToggle" is enabled and rendering this component.