import { ServiceNowInstance } from "../ServiceNowInstance.js";
import { AddCommentOptions, AssignTaskOptions, ResolveIncidentOptions, CloseIncidentOptions, ApproveChangeOptions, TaskRecord } from './TaskModels.js';
/**
 * Provides convenience operations for common task-related actions in ServiceNow,
 * such as adding comments, assigning tasks, resolving/closing incidents,
 * and approving change requests.
 */
export declare class TaskOperations {
    private _logger;
    private _req;
    private _tableAPI;
    private _instance;
    constructor(instance: ServiceNowInstance);
    /**
     * Add a comment or work note to a task record.
     *
     * @param options The comment options including table, record sys_id, and comment text
     * @returns The updated task record
     * @throws Error if the API call fails
     */
    addComment(options: AddCommentOptions): Promise<TaskRecord>;
    /**
     * Assign a task record to a user and optionally to an assignment group.
     *
     * @param options The assignment options
     * @returns The updated task record
     * @throws Error if the API call fails
     */
    assignTask(options: AssignTaskOptions): Promise<TaskRecord>;
    /**
     * Resolve an incident by setting its state to 6 (Resolved).
     *
     * @param options The resolve options including sys_id and resolution notes
     * @returns The updated incident record
     * @throws Error if the API call fails
     */
    resolveIncident(options: ResolveIncidentOptions): Promise<TaskRecord>;
    /**
     * Close an incident by setting its state to 7 (Closed).
     *
     * @param options The close options including sys_id and close notes
     * @returns The updated incident record
     * @throws Error if the API call fails
     */
    closeIncident(options: CloseIncidentOptions): Promise<TaskRecord>;
    /**
     * Approve a change request by setting its approval field to 'approved'.
     *
     * @param options The approval options including sys_id and optional comments
     * @returns The updated change request record
     * @throws Error if the API call fails
     */
    approveChange(options: ApproveChangeOptions): Promise<TaskRecord>;
    /**
     * Find a task record by its number field (e.g., "INC0010001").
     *
     * @param table The table to search in
     * @param number The task number to find
     * @returns The matching TaskRecord, or null if not found
     * @throws Error if the API call fails
     */
    findByNumber(table: string, number: string): Promise<TaskRecord | null>;
}