import type { HistoryEntry } from '../../history-entry.js';
/**
 * Glyph rendered as the clickable copy affordance on copyable chat cards.
 * Chosen from the Dingbats range (U+274F), which the TUI's tool-glyph table
 * already relies on for guaranteed single-cell monospace width — East-Asian
 * "ambiguous width" glyphs would desync the icon column the hit test records.
 */
export declare const COPY_ICON = "\u274F";
/**
 * Width in terminal cells the copy icon occupies when rendered. The hit test in
 * the mouse handler treats the icon column plus this span as the target.
 */
export declare const COPY_ICON_WIDTH = 1;
/**
 * Return the most useful lossless clipboard representation for any retained
 * history card. Text cards preserve their original text, pasted user cards use
 * the full paste, tool cards use their unformatted result, and cards without a
 * natural text body fall back to raw JSON.
 */
export declare function copyableTextForEntry(entry: HistoryEntry): string;
/** Raw, ordered representation of every entry rendered inside one compact tool-group box. */
export declare function copyableTextForEntries(entries: readonly HistoryEntry[]): string;
/** Every retained history entry has either natural text or a raw JSON fallback. */
export declare function isCopyableEntry(_entry: HistoryEntry): boolean;
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