public FormState::disableRedirect($no_redirect = TRUE)

public FormState::setButtons(array $buttons) Stores

This is not a special key, and no specific support is provided for it in the Form API. By tradition it was the location where application-specific data was stored for communication

Contains references to details elements to render them within vertical tabs. This property is uncacheable.

An associative array of values submitted to the form. The validation functions and submit functions use this array for nearly all their decision

public FormState::setCleanValueKeys(array $cleanValueKeys)

public FormState::setProgrammed($programmed = TRUE) Sets

public FormState::setUserInput(array $user_input) Sets

protected static FormState::setAnyErrors($errors = TRUE)

public FormState::loadInclude($module, $type, $name = NULL)