saveMessagesToPHP() protected method Writes messages into

$cssCompressor public property CSS file compressor. If a string

beforeAction() public method This method is invoked right

$jsCompressor public property JavaScript file compressor. If a

saveMessagesToPOT() protected method (available since version 2.0.6)

options() public method Returns the names of valid options

$templateFile public property The template file for generating

addMigrationHistory() protected abstract method Adds new

actionMark() public method Modifies the migration history

$markUnused public property Whether to mark messages that no longer