export interface SaveResult {
    draftId: string;
    filePath: string;
}
export declare function registerDraftUrl(_draftId: string, _ossUrl: string): void;
export declare function loadDraft(draftId: string): Promise<any>;
export declare function saveDraft(draft: any, draftId: string): Promise<SaveResult>;
export declare function createAndSaveDraft(width?: number, height?: number): Promise<SaveResult>;
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