import { Container } from 'pixi.js';
import type { DiagnosticInfo } from './diagnostics.js';
export interface DiagnosticsOverlayOptions {
    /** Top-left anchor in screen pixels (default 8, 8). */
    x?: number;
    y?: number;
    /** Width of the info box in pixels (default 240). */
    width?: number;
}
/**
 * INF-FT-003: Renderer diagnostics overlay.
 *
 * Usage:
 *   const overlay = new DiagnosticsOverlay();
 *   app.stage.addChild(overlay.container);
 *   overlay.setDiagnostics([tileRenderer.getDiagnostics(), zoneRenderer.getDiagnostics(), ...]);
 *   // Later, when no longer needed:
 *   overlay.destroy();
 */
export declare class DiagnosticsOverlay {
    container: Container;
    private diagnostics;
    private opts;
    private destroyed;
    constructor(opts?: DiagnosticsOverlayOptions);
    /**
     * Replace the current diagnostic snapshot and re-render. Accepts any number
     * of DiagnosticInfo objects — one row per renderer.
     */
    setDiagnostics(diagnostics: DiagnosticInfo[]): void;
    /**
     * Lifecycle parity with the other renderers. After destroy(), setDiagnostics()
     * is a no-op (with a warning). Idempotent — safe to call multiple times.
     */
    destroy(): void;
    /** Lifecycle observability — same shape as renderers. */
    getDiagnostics(): DiagnosticInfo;
    private render;
}
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