import { DirectUpload } from "@rails/activestorage";
import type { Blob, DirectUploadDelegate } from "@rails/activestorage";
import { AttachmentManager } from "./attachment-manager.js";
import { BaseEvent } from "./events/base-event.js";
export declare class AttachmentUploadStartEvent<T extends AttachmentUpload = AttachmentUpload> extends BaseEvent {
    attachmentUpload: T;
    static eventName: "rhino-direct-upload:start";
    constructor(attachmentUpload: T, options?: EventInit | undefined);
}
export declare class AttachmentUploadProgressEvent<T extends AttachmentUpload = AttachmentUpload> extends BaseEvent {
    attachmentUpload: T;
    static eventName: "rhino-direct-upload:progress";
    constructor(attachmentUpload: T, options?: EventInit | undefined);
}
export declare class AttachmentUploadErrorEvent<T extends AttachmentUpload = AttachmentUpload> extends BaseEvent {
    attachmentUpload: T;
    static eventName: "rhino-direct-upload:error";
    constructor(attachmentUpload: T, options?: EventInit | undefined);
}
export declare class AttachmentUploadSucceedEvent<T extends AttachmentUpload = AttachmentUpload> extends BaseEvent {
    attachmentUpload: T;
    static eventName: "rhino-direct-upload:succeed";
    constructor(attachmentUpload: T, options?: EventInit | undefined);
}
export declare class AttachmentUploadCompleteEvent<T extends AttachmentUpload = AttachmentUpload> extends BaseEvent {
    attachmentUpload: T;
    static eventName: "rhino-direct-upload:complete";
    constructor(attachmentUpload: T, options?: EventInit | undefined);
}
declare global {
    interface GlobalEventHandlersEventMap {
        [AttachmentUploadStartEvent.eventName]: AttachmentUploadStartEvent;
        [AttachmentUploadProgressEvent.eventName]: AttachmentUploadProgressEvent;
        [AttachmentUploadErrorEvent.eventName]: AttachmentUploadErrorEvent;
        [AttachmentUploadSucceedEvent.eventName]: AttachmentUploadSucceedEvent;
        [AttachmentUploadCompleteEvent.eventName]: AttachmentUploadCompleteEvent;
    }
}
/**
 * An extension of DirectUpload. This is what handles uploading to remote sources
 *   for attachments.
 */
export declare class AttachmentUpload implements DirectUploadDelegate {
    directUpload: DirectUpload;
    attachment: AttachmentManager;
    element: HTMLElement;
    progress: number;
    constructor(attachment: AttachmentManager, element: HTMLElement);
    start(): void;
    directUploadWillStoreFileWithXHR(xhr: XMLHttpRequest): void;
    handleError(error?: Error): void;
    directUploadDidComplete(error: Error | null, blob?: (Blob & {
        attachable_sgid?: string;
    }) | undefined): void;
    setUploadProgress(): void;
    createBlobUrl(signedId: string, filename: string): string;
    get directUploadUrl(): string;
    get blobUrlTemplate(): string | undefined;
}