export declare type VNodeInput = string | number | VNode;
/**
 * Virtual Node for storing `sgml` style documents
 **/
export declare abstract class VNode {
    /**
     * Convert a virtual dom node to sgml text
     * @param level current indentation level
     */
    toString(level?: number): string;
    abstract get textContent(): string;
    abstract set textContent(v: string);
}
/**
 * Virtual Text Node for storing text leaf nodes
 **/
export declare class VNodeText extends VNode {
    text: string;
    constructor(text: string);
    toString(level?: number): string;
    get textContent(): string;
    set textContent(v: string);
}
/**
 * Virtual Element Node for storing tagged elements
 **/
export declare class VNodeElement extends VNode {
    tag: string;
    attrs: Record<string, string>;
    children: VNode[];
    constructor(tag: string, attrs: Record<string, string>, children: VNode[]);
    get textContent(): string;
    set textContent(v: string);
    toString(level?: number): string;
    /** Iterate over sub elements with `tag`
     * @param tag
     */
    tags(tag: string): Generator<VNodeElement, null, void>;
    /**
     * Find element matching the tags
     * @param tags hierarchy of tag names
     */
    find(...rest: string[]): VNodeElement | null;
    /** Iterate over VNodeElement children */
    elementChildren(): Generator<VNodeElement, null, void>;
    private toStringAttrs;
    private toStringChildren;
}
/**
 * Create a virtual dom node
 *
 * @example
 * ```typescript
 * V('div', {style: 'color:red'}, 'Hello World')
 * V('div', ['one', V('b', 'two')])
 * V('p')
 * ```
 *
 * @param tag DOM tag to use
 * @param attrs DOM attributes
 * @param children DOM children
 */
export declare function V(tag: string): VNodeElement;
export declare function V(tag: string, children: VNodeInput[] | VNodeInput): VNodeElement;
export declare function V(tag: string, attrs: Record<string, any>, children?: VNodeInput[] | VNodeInput): VNodeElement;
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