export interface Node {
    type: string;
    position: Position;
    /** @internal non-enumerable */
    _parent?: YamlUnistNode | null;
}
export interface Position {
    start: Point;
    end: Point;
}
export interface Point {
    /** 1-based */
    line: number;
    /** 1-based */
    column: number;
    /** 0-based */
    offset: number;
}
export interface Parent extends Node {
    children: Node[];
}
export interface Literal extends Node {
    value: string;
}
export interface Content {
    anchor: null | Anchor;
    tag: null | Tag;
    /** comments between the node and its tag/anchor */
    middleComments: Comment[];
}
export interface CommentAttachable extends LeadingCommentAttachable, TrailingCommentAttachable {
}
export interface LeadingCommentAttachable {
    /** comments in front of the node */
    leadingComments: Comment[];
}
export interface TrailingCommentAttachable {
    /** comment on the same line of the node */
    trailingComment: null | Comment;
}
export interface EndCommentAttachable {
    /** comments after the node with greater column */
    endComments: Comment[];
}
export interface YAMLSyntaxError extends SyntaxError {
    source: string;
    position: Position;
}
export declare type YamlUnistNode = Comment | Tag | Anchor | Root | Document | DocumentHead | DocumentBody | Directive | Alias | BlockLiteral | BlockFolded | Plain | QuoteSingle | QuoteDouble | Mapping | MappingItem | MappingKey | MappingValue | Sequence | SequenceItem | FlowMapping | FlowMappingItem | FlowSequence | FlowSequenceItem;
export declare type ContentNode = Extract<YamlUnistNode, Content>;
export interface Comment extends Literal {
    type: "comment";
}
export interface Anchor extends Literal {
    type: "anchor";
}
export interface Tag extends Literal {
    type: "tag";
}
export interface Root extends Parent {
    type: "root";
    children: Document[];
    comments: Comment[];
}
export interface Document extends Parent, TrailingCommentAttachable {
    type: "document";
    children: [DocumentHead, DocumentBody];
}
export interface DocumentHead extends Parent, EndCommentAttachable, TrailingCommentAttachable {
    type: "documentHead";
    children: Directive[];
}
export interface DocumentBody extends Parent, EndCommentAttachable {
    type: "documentBody";
    children: [] | [ContentNode];
}
export interface Directive extends Node, CommentAttachable {
    type: "directive";
    name: string;
    parameters: string[];
}
export interface Alias extends Literal, Content, CommentAttachable {
    type: "alias";
}
export interface BlockValue extends Literal, Content, LeadingCommentAttachable {
    chomping: "clip" | "keep" | "strip";
    indent: null | number;
    /** comment between indicator and the value */
    indicatorComment: null | Comment;
}
export interface BlockLiteral extends BlockValue {
    type: "blockLiteral";
}
export interface BlockFolded extends BlockValue {
    type: "blockFolded";
}
export interface Plain extends Literal, Content, CommentAttachable {
    type: "plain";
}
export interface QuoteValue extends Literal, Content, CommentAttachable {
}
export interface QuoteSingle extends QuoteValue {
    type: "quoteSingle";
}
export interface QuoteDouble extends QuoteValue {
    type: "quoteDouble";
}
export interface Mapping extends Parent, Content, LeadingCommentAttachable {
    type: "mapping";
    children: MappingItem[];
}
export interface MappingItemBase extends Parent, LeadingCommentAttachable {
    /** key-value pair */
    children: [MappingKey, MappingValue];
}
export interface MappingItem extends MappingItemBase {
    type: "mappingItem";
}
export interface MappingKey extends Parent, TrailingCommentAttachable, EndCommentAttachable {
    type: "mappingKey";
    children: [] | [ContentNode];
}
export interface MappingValue extends Parent, CommentAttachable, EndCommentAttachable {
    type: "mappingValue";
    children: [] | [ContentNode];
}
export interface Sequence extends Parent, Content, LeadingCommentAttachable, EndCommentAttachable {
    type: "sequence";
    children: SequenceItem[];
}
export interface SequenceItemBase extends Parent {
    children: [] | [ContentNode];
}
export interface SequenceItem extends SequenceItemBase, CommentAttachable, EndCommentAttachable {
    type: "sequenceItem";
}
export interface FlowCollection extends Parent, Content, CommentAttachable, EndCommentAttachable {
    children: Array<FlowMappingItem | FlowSequenceItem>;
}
export interface FlowMapping extends FlowCollection {
    type: "flowMapping";
    children: FlowMappingItem[];
}
export interface FlowMappingItem extends MappingItemBase {
    type: "flowMappingItem";
}
export interface FlowSequence extends FlowCollection {
    type: "flowSequence";
    children: Array<FlowMappingItem | FlowSequenceItem>;
}
export interface FlowSequenceItem extends SequenceItemBase {
    type: "flowSequenceItem";
}