/**
 * Flowchart AST Types
 *
 * These types represent the Abstract Syntax Tree for Mermaid flowchart diagrams.
 * They capture all the information parsed from the flowchart syntax.
 */
/**
 * Direction of the flowchart layout
 */
export type FlowchartDirection = 'TB' | 'TD' | 'BT' | 'RL' | 'LR';
/**
 * Shape types for flowchart nodes
 */
export type FlowchartNodeShape = 'square' | 'round' | 'circle' | 'doublecircle' | 'ellipse' | 'stadium' | 'subroutine' | 'cylinder' | 'diamond' | 'hexagon' | 'odd' | 'trapezoid' | 'inv_trapezoid' | 'lean_right' | 'lean_left' | 'rect';
/**
 * Link/edge stroke types
 */
export type FlowchartLinkStroke = 'normal' | 'thick' | 'dotted';
/**
 * Link/edge arrow types
 */
export type FlowchartLinkType = 'arrow_point' | 'arrow_circle' | 'arrow_cross' | 'arrow_open';
/**
 * Text content with type information
 */
export interface FlowchartText {
    text: string;
    type: 'text' | 'string' | 'markdown';
}
/**
 * A node (vertex) in the flowchart
 */
export interface FlowchartNode {
    id: string;
    text?: FlowchartText;
    shape: FlowchartNodeShape;
    classes?: string[];
    props?: Record<string, string>;
    shapeData?: string;
}
/**
 * A link (edge) between nodes
 */
export interface FlowchartLink {
    id?: string;
    source: string;
    target: string;
    text?: FlowchartText;
    stroke: FlowchartLinkStroke;
    type: FlowchartLinkType;
    length: number;
}
/**
 * A subgraph container
 */
export interface FlowchartSubgraph {
    id: string;
    title?: FlowchartText;
    nodes: string[];
    direction?: FlowchartDirection;
}
/**
 * Style definition for a class
 */
export interface FlowchartClassDef {
    id: string;
    styles: Record<string, string>;
}
/**
 * Click handler definition
 */
export interface FlowchartClickDef {
    nodeId: string;
    callback?: string;
    callbackArgs?: string;
    href?: string;
    target?: '_self' | '_blank' | '_parent' | '_top';
}
/**
 * Link style definition
 */
export interface FlowchartLinkStyle {
    index: number | 'default';
    styles: Record<string, string>;
    interpolate?: string;
}
/**
 * The complete Flowchart AST
 */
export interface FlowchartAST {
    type: 'flowchart';
    direction: FlowchartDirection;
    nodes: Map<string, FlowchartNode>;
    links: FlowchartLink[];
    subgraphs: FlowchartSubgraph[];
    classDefs: Map<string, FlowchartClassDef>;
    classes: Map<string, string[]>;
    clicks: FlowchartClickDef[];
    linkStyles: FlowchartLinkStyle[];
    title?: string;
    accDescription?: string;
}
/**
 * Create an empty FlowchartAST
 */
export declare function createEmptyFlowchartAST(): FlowchartAST;
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