/**
 * Pie Chart Wrapper Class
 *
 * Provides a fluent API for building and manipulating pie charts.
 */
import { DiagramWrapper } from './diagram-wrapper.js';
import type { PieAST, PieSection } from './types/pie.js';
import type { RenderOptions } from './types/render-options.js';
/**
 * Options for adding a section
 */
export interface AddSectionOptions {
    /** Label for the section */
    label: string;
    /** Value for the section */
    value: number;
}
/**
 * Query options for finding sections
 */
export interface FindSectionsQuery {
    /** Filter by label (exact match) */
    label?: string;
    /** Filter by minimum value */
    minValue?: number;
    /** Filter by maximum value */
    maxValue?: number;
}
/**
 * Pie chart wrapper class
 */
export declare class Pie extends DiagramWrapper<PieAST> {
    private constructor();
    /**
     * Creates an empty pie chart
     */
    static create(): Pie;
    /**
     * Creates a Pie wrapper from an existing AST
     */
    static from(ast: PieAST): Pie;
    /**
     * Parses Mermaid pie chart syntax into a Pie wrapper
     *
     * Note: This is an async method because the underlying parser is async.
     */
    static parse(text: string): Promise<Pie>;
    /**
     * Renders the pie chart to Mermaid syntax
     */
    render(options?: RenderOptions): string;
    /**
     * Creates a deep clone of this pie chart
     */
    clone(): Pie;
    /**
     * Sets the title of the pie chart
     */
    setTitle(title: string): this;
    /**
     * Gets the title of the pie chart
     */
    getTitle(): string | undefined;
    /**
     * Removes the title
     */
    removeTitle(): this;
    /**
     * Sets whether to show data values
     */
    setShowData(show: boolean): this;
    /**
     * Gets whether data values are shown
     */
    getShowData(): boolean;
    /**
     * Adds a section to the pie chart
     */
    addSection(label: string, value: number): this;
    /**
     * Removes a section by label
     */
    removeSection(label: string): this;
    /**
     * Updates a section's value
     */
    updateSection(label: string, value: number): this;
    /**
     * Gets a section by label
     */
    getSection(label: string): PieSection | undefined;
    /**
     * Gets all sections
     */
    getSections(): PieSection[];
    /**
     * Gets the number of sections
     */
    get sectionCount(): number;
    /**
     * Finds sections matching the query
     */
    findSections(query: FindSectionsQuery): PieSection[];
    /**
     * Gets the total value of all sections
     */
    getTotal(): number;
    /**
     * Gets the percentage of a section
     */
    getPercentage(label: string): number | undefined;
    /**
     * Gets the section with the largest value
     */
    getLargestSection(): PieSection | undefined;
    /**
     * Gets the section with the smallest value
     */
    getSmallestSection(): PieSection | undefined;
    /**
     * Sets the accessibility title
     */
    setAccTitle(title: string): this;
    /**
     * Gets the accessibility title
     */
    getAccTitle(): string | undefined;
    /**
     * Sets the accessibility description
     */
    setAccDescr(descr: string): this;
    /**
     * Gets the accessibility description
     */
    getAccDescr(): string | undefined;
}
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