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  <pre class="prettyprint lang-js"><span id='Ext-form-RadioManager'>/**
</span> * @private
 * Private utility class for managing all {@link Ext.form.field.Radio} fields grouped by name.
 */
Ext.define('Ext.form.RadioManager', {
    extend: 'Ext.util.MixedCollection',
    singleton: true,

    getByName: function(name, formId) {
        return this.filterBy(function(item) {
            return item.name == name &amp;&amp; item.getFormId() == formId;
        });
    },

    getWithValue: function(name, value, formId) {
        return this.filterBy(function(item) {
            return item.name == name &amp;&amp; item.inputValue == value &amp;&amp; item.getFormId() == formId;
        });
    },

    getChecked: function(name, formId) {
        return this.findBy(function(item) {
            return item.name == name &amp;&amp; item.checked &amp;&amp; item.getFormId() == formId;
        });
    }
});
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