/**
 * User-facing configuration for incremental rendering.
 *
 * You can use this object form when you need to choose a strategy explicitly
 * or disable incremental rendering without changing existing option shapes.
 */
export interface IncrementalRenderingConfig {
    /**
     * Master on/off switch for object mode.
     *
     * - `false`: disables incremental rendering, regardless of `strategy`.
     * - `true` or omitted: enables incremental rendering and uses `strategy`.
     */
    enabled?: boolean;
    /**
     * Diff strategy used for interactive output updates.
     *
     * - `"line"`: compares line strings and redraws changed lines.
     * - `"run"`: compares terminal cells and rewrites minimal changed runs.
     *
     * @defaultValue "run"
     */
    strategy?: "line" | "run";
}
/**
 * Public option accepted by `render(..., { incrementalRendering })`.
 */
export type IncrementalRenderingOption = boolean | IncrementalRenderingConfig;
/**
 * Internal normalized strategy used inside the renderer.
 */
export type IncrementalRenderStrategy = "none" | "line" | "run";
/**
 * Normalizes user-facing incremental rendering options to an internal strategy.
 *
 * Resolution order:
 * - `undefined` or `false` -> `"none"`
 * - `true` -> `"run"`
 * - `{ enabled: false }` -> `"none"`
 * - `{ strategy: "line" }` -> `"line"`
 * - `{ strategy: "run" }` or omitted strategy -> `"run"`
 */
export declare const normalizeIncrementalRendering: (value: IncrementalRenderingOption | undefined) => IncrementalRenderStrategy;