final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;
final Object listeners = progressiveListeners(); if (listeners == null) { return;