/** * @private * Private utility class for managing all {@link Ext.form.field.Checkbox} fields grouped by name. */Ext.define('Ext.form.CheckboxManager', { extend: 'Ext.util.MixedCollection', singleton: true, getByName: function(name, formId) { return this.filterBy(function(item) { return item.name === name && item.getFormId() === formId; }); }});