$catalog public property Name of the file that will be used for

compressCssFiles() protected method Compresses given CSS

$removeUnused public property Whether to remove messages that

$errorHandler public read-only property The error handler

createMigration() protected method Creates a new migration

saveTargets() protected method Saves new asset bundles

getActions() public method Returns all available actions

$controller public property The currently active controller instance

extractMessages() protected method Extracts messages from

getParams() public method Returns the command line arguments