import { BaseDiagramHandler } from "./base.handler.js";
/**
 * Handler for entity-relationship diagrams.
 * Generates ER diagrams showing database relationships.
 */
export declare class ERHandler extends BaseDiagramHandler {
    readonly diagramType = "er";
    generate(description: string, theme?: string): string;
    /**
     * Parse natural language description to extract ER information.
     */
    private parseERDescription;
}
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