import { logger } from "./logger.js";
export interface Padding {
    top?: number;
    bottom?: number;
    left?: number;
    right?: number;
}
export interface ComponentRenderResult {
    lines: string[];
    changed: boolean;
}
export interface ContainerRenderResult extends ComponentRenderResult {
    keepLines: number;
}
export interface Component {
    render(width: number): ComponentRenderResult;
    handleInput?(keyData: string): void;
}
export declare class Container {
    protected children: Element[];
    protected lines: string[];
    protected parentTui: TUI | undefined;
    constructor(parentTui?: TUI | undefined);
    setParentTui(tui: TUI | undefined): void;
    addChild(component: Element): void;
    removeChild(component: Element): void;
    render(width: number): ContainerRenderResult;
    getChild(index: number): Element | undefined;
    getChildCount(): number;
    clear(): void;
    cleanupSentinels(): void;
}
type Element = Component | Container;
export declare class TUI extends Container {
    private focusedComponent;
    private needsRender;
    private wasRaw;
    private totalLines;
    private isFirstRender;
    private isStarted;
    constructor();
    configureLogging(config: Parameters<typeof logger.configure>[0]): void;
    addChild(component: Element): void;
    removeChild(component: Element): void;
    setFocus(component: Component): void;
    private findComponent;
    private findInContainer;
    requestRender(): void;
    start(): void;
    stop(): void;
    private renderToScreen;
    private handleResize;
    private handleKeypress;
}
export {};
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