import type { NotesService } from '../notes/service.js';
import type { ProjectService } from '../projects/project-service.js';
import type { CreateDiscussionInput, DiscussionCaptureSettings, DiscussionDetail, DiscussionListResult, DiscussionMetrics, DiscussionTranscript, ListDiscussionsQuery } from './types.js';
export declare const DISCUSSION_AUDIO_MAX_BYTES: number;
export declare const DISCUSSION_SEGMENT_MAX_BYTES: number;
export declare const DISCUSSION_MAX_DURATION_MS: number;
export declare class DiscussionServiceError extends Error {
    readonly code: 'invalid_input' | 'not_found' | 'conflict';
    constructor(code: 'invalid_input' | 'not_found' | 'conflict', message: string);
}
export declare class DiscussionService {
    private readonly notes;
    private readonly projects;
    private readonly emit?;
    private readonly createsInFlight;
    private readonly mutationTails;
    private readonly objectLinks;
    constructor(notes: NotesService, projects: ProjectService, emit?: (type: string, payload: unknown) => void);
    settings(): DiscussionCaptureSettings;
    acknowledgeConsent(policyVersion: number): DiscussionCaptureSettings;
    create(input: CreateDiscussionInput): Promise<DiscussionDetail>;
    private createOnce;
    get(id: string): Promise<DiscussionDetail | null>;
    getByNoteId(noteId: string): Promise<DiscussionDetail | null>;
    list(query?: ListDiscussionsQuery): DiscussionListResult;
    metrics(): DiscussionMetrics;
    transcript(id: string): DiscussionTranscript | null;
    uploadSegment(input: {
        discussionId: string;
        sequence: number;
        file: {
            buffer: Buffer;
            mimeType: string;
        };
        startedAtMs: number;
        endedAtMs: number;
        sha256: string;
    }): DiscussionTranscript;
    correctSegment(id: string, sequence: number, displayText: string, expectedRevision: number): DiscussionTranscript;
    uploadRecording(id: string, file: {
        name: string;
        buffer: Buffer;
        mimeType: string;
    }, durationMs: number): Promise<DiscussionDetail | null>;
    stop(id: string, lastSequence: number, durationMs: number): Promise<DiscussionDetail | null>;
    retry(id: string): Promise<DiscussionDetail | null>;
    cancel(id: string): Promise<DiscussionDetail | null>;
    deleteAudio(id: string): Promise<DiscussionDetail | null>;
    unlinkInferredProject(id: string): Promise<DiscussionDetail | null>;
    private detail;
    private enqueueMutation;
}