/// <reference types="node" />
/// <reference types="node" />
import { AddAttachmentResponse, Attachment } from '../models/attachments';
import { BaseService } from './base';
/**
 * Service class for managing TestRail attachments.
 * @since TestRail 6.3
 */
export declare class AttachmentService extends BaseService {
    /**
     * Creates form data with file for attachment upload
     */
    private createFormData;
    /**
     * Adds an attachment to a test case.
     * @param caseId - The ID of the test case
     * @param filePath - The path to the file to attach
     * @returns The created attachment ID
     * @throws {Error} 400 - Invalid or unknown test case
     * @throws {Error} 403 - No permissions to add attachments or no access to the project
     * @throws {Error} 413 - File too large (TestRail Cloud only)
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    addToCase(caseId: number, filePath: string): Promise<AddAttachmentResponse>;
    /**
     * Adds an attachment to a test plan.
     * @param planId - The ID of the test plan
     * @param filePath - The path to the file to attach
     * @returns The created attachment ID
     * @throws {Error} 400 - Invalid or unknown test plan
     * @throws {Error} 403 - No permissions to add attachments or no access to the project
     * @throws {Error} 413 - File too large (TestRail Cloud only)
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    addToPlan(planId: number, filePath: string): Promise<AddAttachmentResponse>;
    /**
     * Adds an attachment to a test plan entry.
     * @param planId - The ID of the test plan
     * @param entryId - The ID of the test plan entry
     * @param filePath - The path to the file to attach
     * @returns The created attachment ID
     * @throws {Error} 400 - Invalid or unknown test plan/entry
     * @throws {Error} 403 - No permissions to add attachments or no access to the project
     * @throws {Error} 413 - File too large (TestRail Cloud only)
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    addToPlanEntry(planId: number, entryId: number, filePath: string): Promise<AddAttachmentResponse>;
    /**
     * Adds an attachment to a test run.
     * @param runId - The ID of the test run
     * @param filePath - The path to the file to attach
     * @returns The created attachment ID
     * @throws {Error} 400 - Invalid or unknown test run
     * @throws {Error} 403 - No permissions to add attachments or no access to the project
     * @throws {Error} 413 - File too large (TestRail Cloud only)
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    addToRun(runId: number, filePath: string): Promise<AddAttachmentResponse>;
    /**
     * Adds an attachment to a test result.
     * @param resultId - The ID of the test result
     * @param filePath - The path to the file to attach
     * @returns The created attachment ID
     * @throws {Error} 400 - Invalid or unknown test result
     * @throws {Error} 403 - No permissions to add attachments or no access to the project
     * @throws {Error} 413 - File too large (TestRail Cloud only)
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    addToResult(resultId: number, filePath: string): Promise<AddAttachmentResponse>;
    /**
     * Gets an attachment by ID.
     * @param attachmentId - The ID of the attachment
     * @returns The attachment file content
     */
    get(attachmentId: number | string): Promise<Buffer>;
    /**
     * Deletes an attachment.
     * @param attachmentId - The ID of the attachment to delete
     * @throws {Error} 400 - Invalid or unknown attachment
     * @throws {Error} 403 - No permissions to delete attachments or no access to the project
     * @throws {Error} 429 - Too many requests (TestRail Cloud only)
     */
    delete(attachmentId: number): Promise<void>;
    getForCase(caseId: number): Promise<Attachment[]>;
    getForPlan(planId: number): Promise<Attachment[]>;
    getForPlanEntry(planId: number, entryId: string): Promise<Attachment[]>;
    getForRun(runId: number): Promise<Attachment[]>;
    getForTest(testId: number): Promise<Attachment[]>;
}