/** Existing collapsed-result protocol, shared without importing the ledger renderer. */
import type { Standing } from './types.js';
/** The ticket a collapsed tool message carries instead of its result. */
export interface CollapsedToolResult {
    /** Always `true`. The field a consumer branches on. */
    readonly collapsed: true;
    readonly standing: Standing;
    readonly toolCallId: string;
    /** The placement ref when the collapsed result was placed. */
    readonly ref?: string;
}
/** Type guard for a consumer reading a served tool message. */
export declare function isCollapsedToolResult(value: unknown): value is CollapsedToolResult;