import { UnistLiteral, UnistNode, UnistParent } from "./unist";
export interface XastAttributes {
    [attributeName: string]: string;
}
export interface XastCdata extends XastLiteral {
    type: XastType.Cdata;
}
export interface XastComment extends XastLiteral {
    type: XastType.Comment;
}
export interface XastDoctype extends UnistNode {
    name: string;
    public?: string;
    system?: string;
    type: XastType.Doctype;
}
export interface XastElement extends XastParent {
    attributes?: XastAttributes;
    children: Array<XastCdata | XastComment | XastElement | XastInstruction | XastText>;
    name: string;
    type: XastType.Element;
}
export interface XastInstruction extends XastLiteral {
    name: string;
    type: XastType.Instruction;
}
export interface XastLineage {
    index: number;
    lineage?: XastLineage;
    parent: XastNode;
}
export interface XastLiteral extends UnistLiteral {
    value: string;
}
export declare type XastNode = XastCdata | XastComment | XastDoctype | XastElement | XastInstruction | XastRoot | XastText;
export interface XastParent extends UnistParent {
    children: Array<XastCdata | XastComment | XastDoctype | XastElement | XastInstruction | XastText>;
}
export interface XastRoot extends XastParent {
    type: XastType.Root;
}
export interface XastText extends XastLiteral {
    type: XastType.Text;
}
export declare enum XastType {
    Cdata = "cdata",
    Comment = "comment",
    Doctype = "doctype",
    Element = "element",
    Instruction = "instruction",
    Root = "root",
    Text = "text"
}
export declare function assertNeverXastNode(node: never): never;
export declare function iterXastNodes(node: XastNode, lineage?: XastLineage): Generator<{
    lineage?: XastLineage;
    node: XastNode;
}, void, unknown>;