public FormState::addRebuildInfo($property, $value) Adds

public FormState::setFormState(array $form_state_additions)

public FormState::setTemporaryValue($key, $value) Sets

public FormState::setLimitValidationErrors($limit_validation_errors)

public FormState::isCached() Determines

Ordinarily, a form is only validated once, but there are times when a form is resubmitted internally and should be validated again. Setting this to TRUE will force that to

public FormState::addCleanValueKey($cleanValueKey) Adds

If TRUE, the form was submitted programmatically, usually invoked via

Contains errors for this form. This property is uncacheable. Type:

public FormState::isBypassingProgrammedAccessChecks()