/**
 * How codex's thread items present themselves on a display line.
 *
 * A tool row wants four neutral facts beside the tool's name: what kind of
 * thing the item does (`action`), the one line codex's own TUI leads with
 * (`summary`), the member of the item that has a notation of its own
 * (`invocation`), and the items a read or a patch is about (`items`). The
 * wording follows the TUI's exec, patch and web-search
 * cells (`codex-rs/tui/src/exec_cell`, `diff_render.rs`, `history_cell/search.rs`)
 * so that a card and a terminal describe one call the same way. An item this
 * module does not label — MCP and dynamic tool calls included — gets `null`
 * for summary and invocation and shows as its name.
 */
import type { RuntimeToolAction } from '@excitedjs/dreamux-types';
import type { ThreadItem } from './types.js';
export interface ToolDisplay {
    readonly action: RuntimeToolAction | null;
    readonly summary: string | null;
    readonly invocation: string | null;
    readonly items: readonly string[];
}
export declare function toolDisplay(item: ThreadItem): ToolDisplay;
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