/**
 * Plain-text transcript export (V2-057 / V2-094).
 *
 * Source-order semantic text plus redaction and display sanitize so exports
 * never ship raw API-key shapes or terminal control sequences.
 */
import type { TranscriptState } from "../../ui-core/state/transcript-types.js";
export interface TranscriptExportOptions {
    readonly includeThinking?: boolean;
}
export declare function renderTranscriptPlainText(state: TranscriptState, options?: TranscriptExportOptions): string;