import { IStepDescription } from './steps/step';
export interface IEvent {
    type: string;
    message: string;
}
export declare function queueConversionStartEvent(message: string): IEvent;
export declare function isQueueConversionStartEvent(event: IEvent): event is IEvent;
export interface IQueueConversionEndedEvent extends IEvent {
    assetBundleUrl: string | null;
    error: any | null;
}
export declare function queueConversionEndedEvent(message: string, assetBundleUrl: string | null, error?: any): IQueueConversionEndedEvent;
export declare function isQueueConversionEndedEvent(event: IEvent): event is IQueueConversionEndedEvent;
export interface IProcessorStepChangeEvent extends IEvent {
    step: IStepDescription;
}
export declare function processorStepChangeEvent(message: string, step: IStepDescription): IProcessorStepChangeEvent;
export declare function isProcessorStepChangeEvent(event: IEvent): event is IProcessorStepChangeEvent;
export interface IProcessorCleanupErrorEvent extends IEvent {
    step: IStepDescription;
    error: any;
}
export declare function processorCleanupErrorEvent(message: string, step: IStepDescription, error: any): IProcessorCleanupErrorEvent;
export declare function isProcessorCleanupErrorEvent(event: IEvent): event is IProcessorCleanupErrorEvent;
export interface IProcessorStepProgressEvent extends IEvent {
    [customKey: string]: any;
}
export declare function processorStepProgressEvent(stepCode: string, type: string, message: string, data?: any): IProcessorStepProgressEvent;