/**
 * Renderer: the main orchestrator that ties everything together.
 * Uses LogicalBuffer for content storage, transforms to visual rows for output.
 */
import { CellBuffer } from "./buffer.js";
import type { VNode } from "./vnode.js";
export interface RendererOptions {
    width: number;
    height: number;
    output?: (str: string) => void;
}
export declare class Renderer {
    private width;
    private height;
    private currentLogical;
    private nextLogical;
    private currentVisual;
    private nextVisual;
    private output;
    private isFirstRender;
    constructor(options: RendererOptions);
    /**
     * Render a VNode tree to the terminal.
     */
    render(root: VNode): void;
    /**
     * Force a full redraw.
     */
    forceRedraw(): void;
    /**
     * Resize the renderer.
     */
    resize(width: number, height: number): void;
    /**
     * Get the current visual buffer (for testing).
     */
    getCurrentBuffer(): CellBuffer;
    /**
     * Get terminal width.
     */
    getWidth(): number;
    /**
     * Get terminal height.
     */
    getHeight(): number;
}
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