/**
 * Shared display utility functions used by both the CLI monitor and TUI sidebar.
 *
 * Pure functions — no side effects, no I/O, no framework imports.
 *
 * @module
 */
/**
 * Format a millisecond duration as a human-readable string.
 * Returns "?" for invalid or negative inputs.
 *
 * One-line delegation to `formatDuration(…, "monitor")` in `./text-format.ts`.
 */
export declare function formatDuration(ms: number): string;
/**
 * Format a millisecond duration as a compact single-unit string for inline display.
 * Returns "0s" for zero or negative values.
 *
 * One-line delegation to `formatDuration(…, "narrow")` in `./text-format.ts`.
 */
export declare function compactDuration(ms: number): string;
/**
 * Truncate a string with an ellipsis character ("…") if it exceeds maxLen.
 *
 * One-line delegation to `truncateText` in `./text-format.ts`. CONTRACT
 * CHANGE: `maxLen` is a display-COLUMN budget that includes the ellipsis; at
 * HEAD it budgeted UTF-16 code units. The two agree for ASCII but not for wide
 * characters — CJK and emoji occupy two columns each, so
 * `truncate("你好世界", 3)` is `"你…"`. The column budget is the correct
 * semantic for a terminal width budget and is what makes composition with the
 * padding helpers meaningful.
 */
export declare function truncate(s: string, maxLen: number): string;
/**
 * Shorten a session ID for display. For IDs of 15 characters or more, strips the
 * `ses_` prefix (if present) and shows `first3…last5`. Falls back to the original
 * ellipsis-prefixed-last-8 behavior for shorter IDs.
 */
export declare function shortSessionId(id: string): string;
/**
 * Compute the number of filled and empty segments for a progress bar
 * of the given width.
 *
 * One-line delegation to `progressBarParts` in `./text-format.ts`.
 */
export declare function barSegments(current: number, total: number, width?: number): {
    filled: number;
    empty: number;
};
/**
 * Canonical glyph table for status display.
 * Returns just the glyph (caller adds color).
 */
export declare function statusGlyph(status: string): string;
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