import { SwcHTMLOptGroupElementBase } from '../elements/base/SwcHTMLOptGroupElementBase';
export declare class SwcForOfChildrenOptGroup extends SwcHTMLOptGroupElementBase {
    _swcValue: any[];
    private _rowNodes;
    onValueChange(): void;
    set swcValue(val: any[]);
    get swcValue(): any[];
    renderTemplate(): string;
    connectedCallback(): void;
    updateSingleRow(index: number, newValue: any): void;
    private renderRow;
    private renderAll;
}
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