/**
 * The one line the harness posts to the owner when an agent finished
 * owner-requested work and never reported it (crewly#1357).
 *
 * The owner thread is not a log: the line names the deliverable in plain
 * words, in the owner's language, with no work item ids, links, file names,
 * codecs, sizes or "Results:" dumps. On 2026-10-17 the fallback posted
 * "Ella finished: <WorkItem titles> Results: <PR link, codec, file sizes>"
 * into a video thread; the owner's reaction: 我还是收到agent发的这种message.
 *
 * Pure functions only.
 *
 * @module services/orc/owner-completion-report.text
 */
/** Languages the fallback line is written in. */
export type OwnerLanguage = 'en' | 'zh';
/**
 * Which language the owner writes in, from a sample of their text: Chinese
 * when at least {@link OWNER_COMPLETION_REPORT_CONSTANTS.OWNER_LANGUAGE_CJK_MIN_RATIO}
 * of its letters are CJK, else English. An empty sample is English.
 *
 * @param sample - The owner's own words (one or several messages)
 * @returns `zh` or `en`
 *
 * @example
 * ```typescript
 * detectOwnerLanguage('什么是投资'); // 'zh'
 * detectOwnerLanguage('Record a short demo'); // 'en'
 * ```
 */
export declare function detectOwnerLanguage(sample: string | readonly string[] | null | undefined): OwnerLanguage;
/**
 * The deliverable a work item title or summary names, in plain words: its
 * first clause with links, ids, paths, file names, code spans, markers and
 * parentheses holding digits removed.
 *
 * @param text - Title or summary
 * @returns The plain phrase (possibly empty), at most {@link OWNER_COMPLETION_REPORT_CONSTANTS.DELIVERABLE_MAX_CHARS} characters
 *
 * @example
 * ```typescript
 * plainDeliverable('Screen recording of the tutorial page (1080p, 42 MB) — https://x.test/a.mp4');
 * // 'Screen recording of the tutorial page'
 * ```
 */
export declare function plainDeliverable(text: string | undefined | null): string;
/**
 * The deliverables of a chain, de-duplicated, at most
 * {@link OWNER_COMPLETION_REPORT_CONSTANTS.MAX_TITLES}.
 *
 * @param texts - Titles / summaries of the finished work, in order
 * @returns Plain phrases (possibly empty)
 */
export declare function plainDeliverables(texts: readonly (string | undefined | null)[]): string[];
/**
 * The deliverables of a chain written in the owner's language, plain-worded.
 * A phrase in another language is left out: a Chinese line never embeds an
 * English WorkItem title ("Atlas 做完了Website-plan PDF built and posted in
 * Steve thread", crewly#1376), and the line then names no deliverable.
 *
 * @param texts - Titles / summaries of the finished work, in order
 * @param language - The owner's language
 * @returns Plain phrases in that language (possibly none)
 */
export declare function plainDeliverablesIn(texts: readonly (string | undefined | null)[], language: OwnerLanguage): string[];
/**
 * Join phrases the way the language does ("a, b and c" / "a、b和c").
 *
 * @param phrases - Plain phrases
 * @param language - Owner language
 * @returns One list phrase
 */
export declare function joinDeliverables(phrases: readonly string[], language: OwnerLanguage): string;
/** Inputs of {@link fallbackLine}. */
export interface FallbackLineInput {
    /** The responsible agent's display name */
    agentName: string;
    /** Titles / summaries of the finished work */
    deliverables: readonly (string | undefined | null)[];
    /** The owner's language */
    language: OwnerLanguage;
}
/**
 * The one sentence posted for the agent, plus the short "sent by Crewly"
 * marker, in the owner's language. It names only deliverables written in
 * that language and promises nothing: "details later" was a promise nobody
 * owned (crewly#1376).
 *
 * @param input - Agent name, deliverables, language
 * @returns Two lines: the sentence and the marker
 *
 * @example
 * ```typescript
 * fallbackLine({ agentName: 'Ella', deliverables: ['排期里 5 张卡的文案', '教程页的录屏'], language: 'zh' });
 * // 'Ella 做完了排期里 5 张卡的文案和教程页的录屏。\n— 由 Crewly 代发'
 * ```
 */
export declare function fallbackLine(input: FallbackLineInput): string;
/** Inputs of {@link leadFallbackLine}. */
export interface LeadFallbackLineInput {
    /** Who did the work (display name) */
    workerName: string;
    /** Titles / summaries of the finished work */
    deliverables: readonly (string | undefined | null)[];
    /** The owner's language */
    language: OwnerLanguage;
    /** Link to the thread the owner approved it in, when it is a Slack thread */
    approvalLink?: string | null;
}
/**
 * The line the harness posts in the team channel, as the team lead, when the
 * lead never reported team work the orchestrator delegated for the owner
 * (crewly#1371): who finished what the owner approved, and where the owner
 * approved it; plus the short "sent by Crewly" marker.
 *
 * @param input - Worker name, deliverables, language, approval link
 * @returns The lines
 *
 * @example
 * ```typescript
 * leadFallbackLine({ workerName: 'Dana', deliverables: ['两个账号的教程文案'], language: 'zh', approvalLink: 'https://slack.com/archives/D1/p1' });
 * // 'Dana 做完了你批准的两个账号的教程文案。\n批准的对话：https://slack.com/archives/D1/p1\n— 由 Crewly 代发'
 * ```
 */
export declare function leadFallbackLine(input: LeadFallbackLineInput): string;
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