/**
 * Sankey Diagram Wrapper Class
 *
 * A unified API for building, mutating, and querying sankey diagrams.
 * Provides a fluent interface that wraps the SankeyAST.
 */
import { DiagramWrapper } from './diagram-wrapper.js';
import type { RenderOptions } from './types/render-options.js';
import type { SankeyAST, SankeyLink, SankeyNode } from './types/sankey.js';
/**
 * Query options for finding nodes
 */
export interface FindSankeyNodesQuery {
    /** Find nodes whose label contains this string */
    labelContains?: string;
}
/**
 * Query options for finding links
 */
export interface FindSankeyLinksQuery {
    /** Find links from this source */
    source?: string;
    /** Find links to this target */
    target?: string;
    /** Find links with value greater than this */
    minValue?: number;
    /** Find links with value less than this */
    maxValue?: number;
}
/**
 * A fluent wrapper for SankeyAST that supports building, mutating, and querying.
 */
export declare class Sankey extends DiagramWrapper<SankeyAST> {
    private constructor();
    /**
     * Create a new empty sankey diagram
     */
    static create(): Sankey;
    /**
     * Create a Sankey wrapper from an existing AST
     */
    static from(ast: SankeyAST): Sankey;
    /**
     * Parse Mermaid syntax and create a Sankey wrapper
     */
    static parse(text: string): Sankey;
    /**
     * Render to Mermaid syntax
     */
    render(options?: RenderOptions): string;
    /**
     * Create a deep clone of this sankey diagram
     */
    clone(): Sankey;
    /**
     * Get all nodes as an array
     */
    get nodes(): SankeyNode[];
    /**
     * Get all links
     */
    get links(): SankeyLink[];
    /**
     * Get node count
     */
    get nodeCount(): number;
    /**
     * Get link count
     */
    get linkCount(): number;
    /**
     * Add a node
     */
    addNode(id: string, label?: string): this;
    /**
     * Get a node by ID
     */
    getNode(id: string): SankeyNode | undefined;
    /**
     * Remove a node and all its connected links
     */
    removeNode(id: string): this;
    /**
     * Update node label
     */
    updateNodeLabel(id: string, label: string): this;
    /**
     * Add a link between two nodes
     */
    addLink(source: string, target: string, value: number): this;
    /**
     * Get all links from a source node
     */
    getLinksFrom(source: string): SankeyLink[];
    /**
     * Get all links to a target node
     */
    getLinksTo(target: string): SankeyLink[];
    /**
     * Remove a specific link
     */
    removeLink(source: string, target: string): this;
    /**
     * Update link value
     */
    updateLinkValue(source: string, target: string, value: number): this;
    /**
     * Find nodes matching a query
     */
    findNodes(query: FindSankeyNodesQuery): SankeyNode[];
    /**
     * Find links matching a query
     */
    findLinks(query: FindSankeyLinksQuery): SankeyLink[];
    /**
     * Get total flow value (sum of all link values)
     */
    getTotalFlow(): number;
}
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