/*************************************************
 * Layout utilities for CLI
 *
 * Provides terminal-aware layout primitives for responsive CLI design.
 * Runtime-agnostic: works on Deno, Node.js, and Bun.
 *************************************************/
/** Assumed terminal size when the real one is unusable. */
export declare const FALLBACK_COLUMNS = 80;
export declare const FALLBACK_ROWS = 24;
/**
 * A pty with no window size reports 0 columns rather than failing, so the
 * platform's own fallback (which only applies when the query throws) never
 * kicks in. Callers subtract from this value and feed it to `String.repeat`
 * and `padEnd`, both of which throw on a negative count.
 */
export declare function usableSize(value: number, fallback: number): number;
/**
 * Get terminal width, with fallback for non-TTY environments
 */
export declare function getTerminalWidth(): number;
/**
 * Get terminal height, with fallback for non-TTY environments
 */
export declare function getTerminalHeight(): number;
/**
 * Check if output is a TTY (interactive terminal)
 */
export declare function isTTY(): boolean;
/**
 * Get visible length of a string (excluding ANSI escape codes)
 */
export declare function visibleLength(text: string): number;
/**
 * Truncate text to fit within maxWidth, adding ellipsis if needed
 */
export declare function truncate(text: string, maxWidth: number, ellipsis?: string): string;
/**
 * Pad text to a specific width
 */
export declare function pad(text: string, width: number, align?: "left" | "center" | "right"): string;
/**
 * Wrap text to fit within maxWidth
 * Returns array of lines
 */
export declare function wrap(text: string, maxWidth: number): string[];
/**
 * Repeat a character or string to fill width
 */
export declare function repeat(char: string, count: number): string;
export { stripAnsi } from "./ansi.js";
/**
 * Split text into lines
 */
export declare function lines(text: string): string[];
/**
 * Get the maximum visible width of lines
 */
export declare function maxLineWidth(textLines: string[]): number;
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