/// <reference types="node" />
import { TtyRenderWindowRow } from './TtyRenderWindowRow.js';
export interface TtyRenderWindowOptions {
    disableWordWrap?: boolean;
    fps?: number;
    stream?: NodeJS.WriteStream;
}
export declare class TtyRenderWindow {
    private readonly _requestRender;
    private readonly disableWordWrap;
    private readonly rows;
    private readonly stream;
    private readonly unsubscribes;
    private deletedRowsSinceLastRender;
    private ended;
    /**
     * Whether this instance is connected to a TTY. If not, only interrupts will
     * be rendered.
     */
    get enabled(): boolean;
    /**
     * Get the number of rows in this window.
     */
    get height(): number;
    /**
     * The height of the terminal in characters, if available.
     */
    get windowHeight(): number;
    /**
     * The width of the terminal in characters, if available.
     */
    get windowWidth(): number;
    /**
     * Create a new instance.
     */
    constructor({ disableWordWrap, fps, stream, }?: TtyRenderWindowOptions);
    /**
     * Add a new row to the current instance.
     * @param row The row to add
     * @param index The index to insert the row at. Defaults to the end of the
     * list. If negative, insert this many rows from the end.
     */
    add(row: TtyRenderWindowRow, index?: number): void;
    /**
     * Stop rendering all rows.
     * @param clear True to remove all the output.
     */
    close(clear?: boolean): void;
    /**
     * Interrupt the render window to log a line out to the underlying stream.
     * @param text The text to output to the stream.
     */
    interrupt(text: string): void;
    /**
     * Remove the specified row (or row index), optionally replacing it with given
     * text. The replacement text, if given, will always be logged first, followed
     * by the remaining rows in the window on the next render. If no replacement
     * text is given, the last line of the output will be blanked.
     * @param row The row instance, or index to remove.
     * @param replace Optional text to output in place of the row.
     */
    remove(row: TtyRenderWindowRow | number, replace?: string): void;
    /**
     * Request a render. This will be throttled to the FPS value given in the
     * constructor.
     */
    render(): void;
    /**
     * Log the given text and deal with clearing any existing render window
     * output.
     * @param text The text to log.
     */
    private _interruptNoRenderTrigger;
    /**
     * Remove the specified row (or row index), optionally replacing it with given
     * text. The replacement text, if given, will always be logged first, followed
     * by the remaining rows in the window on the next render. If no replacement
     * text is given, the last line of the output will be blanked.
     * @param row The row instance, or index to remove.
     * @param replace Optional text to output in place of the row.
     */
    private _removeNoRenderTrigger;
    /**
     * Output the row data to the underlying stream, if it is a TTY.
     * @param noResetCursor True to skip resetting the cursor to the start of the
     * window.
     */
    private _render;
}
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