Freemius::is_activation_page()
Method: Check if current page is the opt-in/pending-activation page.
Source: includes/pum-sdk/freemius/includes/class-freemius.php:2549
Freemius::is_matching_url()
Method: Check if URL path’s are matching and that all querystring arguments of the $sub_url exist in the $url with the same values.
Source: includes/pum-sdk/freemius/includes/class-freemius.php:2578
Freemius::get_caller_main_file_and_type()
Method: Identifies the caller type: plugin or theme.
Source: includes/pum-sdk/freemius/includes/class-freemius.php:1821
Freemius_Abstract::is_single_plan()
Method: Check if module has only one plan.
Source: includes/pum-sdk/freemius/includes/class-freemius-abstract.php:487