import { Container } from "@earendil-works/pi-tui";
import type { FlowColorConfig, FlowTheme } from "./flow-colors.js";
import type { SingleResult } from "../types/flow.js";
declare function formatCollapsedFlowHeaderTypeName(type: string): string;
/** Center a label in a fixed-width header using em-dashes. Total width = 20. */
declare function sectionHeader(label: string): string;
/** Single segment of a multi-part header with its original plain length and style. */
export interface HeaderSegment {
    text: string;
    style: (text: string) => string;
}
/** Reconstruct multi-segment ANSI styles on a flat string by splitting at
 *  original segment boundaries and re-applying each segment's style function.
 */
export declare function reconstructHeader(content: string, segments: HeaderSegment[]): string;
declare function renderFlowHeader(container: Container, r: SingleResult, flowId: string, headerPrefix: string, theme: FlowTheme, now: number, config?: FlowColorConfig, sharedContext?: {
    messageCount: number;
    userMessageCount: number;
    assistantMessageCount: number;
    toolCalls: Record<string, number>;
    totalTokens: number;
    preview: string;
}): void;
export { formatCollapsedFlowHeaderTypeName, sectionHeader, renderFlowHeader };
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