toOverlayConfig(base) {
        return extend(base || {}, {
            context: this.toJSON()
        });
    }
/**
     * Returns an new OverlayConfig with a context property representing the data in this builder.
     * @param {?=} base A base configuration that the result will extend
     * @return {?}
     */
Returns an new OverlayConfig with a context property representing the data in this builder.
@param {?=} base A base configuration that the result will extend
@return {?}
Returns an new OverlayConfig with a context property representing the data in this builder . @param { ? = } base A base configuration that the result will extend @return { ? }
toOverlayConfig(base) {
        return extend(base || {}, {
            context: this.toJSON()
        });
    }
toOverlayConfig ( base ) { return extend ( base || { } , { context : this . toJSON ( ) } ) ; }
Returns an new OverlayConfig with a context property representing the data in this builder.
Returns an new OverlayConfig with a context property representing the data in this builder .