import { OrchestrationState } from "@dapr/durabletask-js/orchestration/orchestration-state";
import { WorkflowFailureDetails } from "./WorkflowFailureDetails";
import { WorkflowRuntimeStatus } from "../runtime/WorkflowRuntimeStatus";
/**
 * Represents the state of a workflow instance.
 */
export declare class WorkflowState {
    private readonly _orchestrationState;
    private readonly _workflowFailureDetails?;
    /**
     * Creates an instance of WorkflowState.
     * @param {OrchestrationState} orchestrationState - The state of the orchestration.
     * @throws {Error} Throws an error if orchestrationState is null.
     */
    constructor(orchestrationState: OrchestrationState);
    /**
     * Gets the name of the workflow.
     * @returns {string} The name of the workflow.
     */
    get name(): string;
    /**
     * Gets the unique ID of the workflow instance.
     * @returns {string} The unique ID of the workflow instance.
     */
    get instanceId(): string;
    /**
     * Gets the current runtime status of the workflow instance.
     * @returns {WorkflowRuntimeStatus} The current runtime status.
     */
    get runtimeStatus(): WorkflowRuntimeStatus;
    /**
     * Gets the workflow instance's creation time in UTC.
     * @returns {Date} The workflow instance's creation time in UTC.
     */
    get createdAt(): Date;
    /**
     * Gets the workflow instance's last updated time in UTC.
     * @returns {Date} The workflow instance's last updated time in UTC.
     */
    get lastUpdatedAt(): Date;
    /**
     * Gets the workflow instance's serialized input, if any, as a string value.
     * @returns {string | undefined} The workflow instance's serialized input or undefined.
     */
    get serializedInput(): string | undefined;
    /**
     * Gets the workflow instance's serialized output, if any, as a string value.
     * @returns {string | undefined} The workflow instance's serialized output or undefined.
     */
    get serializedOutput(): string | undefined;
    /**
     * Gets the failure details, if any, for the failed workflow instance.
     * This method returns data only if the workflow is in the FAILED state and
     * only if this instance metadata was fetched with the option to include output data.
     * @returns {WorkflowFailureDetails | undefined} The failure details of the failed workflow instance or undefined.
     */
    get workflowFailureDetails(): WorkflowFailureDetails | undefined;
    /**
     * Gets the workflow instance's custom status, if any, as a string value.
     * @returns {string | undefined} The workflow instance's custom status or undefined.
     */
    get customStatus(): string | undefined;
}