/**
 * Pie Chart AST Types
 *
 * Represents the structure of a Mermaid pie chart diagram.
 * Uses @mermaid-js/parser (Langium-based) for parsing.
 */
/**
 * A section/slice in a pie chart
 */
export interface PieSection {
    /** Label for this section */
    label: string;
    /** Numeric value for this section */
    value: number;
}
/**
 * AST for a Mermaid pie chart
 */
export interface PieAST {
    /** Discriminator for AST type */
    type: 'pie';
    /** Optional title for the pie chart */
    title?: string;
    /** Whether to show data values on the chart */
    showData: boolean;
    /** Sections/slices of the pie chart */
    sections: PieSection[];
    /** Accessibility title */
    accTitle?: string;
    /** Accessibility description */
    accDescr?: string;
}
/**
 * Creates an empty Pie AST
 */
export declare function createEmptyPieAST(): PieAST;
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