export interface RegionOptions {
    width?: number;
    height?: number;
    stdout?: NodeJS.WriteStream;
    disableRendering?: boolean;
    onKeepAlive?: () => void;
}
export declare class TerminalRegion {
    private width;
    private height;
    private pendingFrame;
    private previousFrame;
    private throttle;
    private renderBuffer;
    private stdout;
    private disableRendering;
    private isInitialized;
    private resizeCleanup?;
    private widthExplicitlySet;
    private regionStartRow;
    private autoWrapKeepAliveInterval?;
    private onKeepAlive?;
    constructor(options?: RegionOptions);
    private initializeRegion;
    private setupAutoWrapKeepAlive;
    private setupResizeHandler;
    private setupExitHandler;
    getWidth(): number;
    getHeight(): number;
    setLine(lineNumber: number, content: string): void;
    private expandTo;
    set(content: string): void;
    getLine(lineNumber: number): string;
    clear(): void;
    clearLine(lineNumber: number): void;
    private scheduleRender;
    /**
     * SIMPLIFIED RENDERING - back to basics
     *
     * Uses absolute positioning based on terminal rows:
     * - Region is at bottom: starts at row (rows - height + 1), ends at row (rows)
     * - On resize, we recalculate using new rows value
     *
     * 1. Calculate absolute row positions from terminal.rows
     * 2. Move to start of region using absolute positioning
     * 3. For each line: clear, write (truncated), move to start, move down
     * 4. Save cursor position at end
     */
    renderNow(): void;
    flush(): void;
    destroy(clearFirst?: boolean): void;
}
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