import IFolder from "./IFolder";
import IStorage from "./IStorage";
import IStorageObject from "./IStorageObject";
import IVersionContent from "./IVersionContent";
import { EncodingType } from "./StorageUtilities";
import { IEvent } from "ste-events";
export declare enum FileUpdateType {
    regularEdit = 0,
    versionlessEdit = 1,
    externalChange = 2,
    versionRestoration = 3,// we're shifting to a different version (backwards or forwards); do not modify the prior version list
    versionRestorationRetainCurrent = 4
}
export default interface IFile extends IStorageObject {
    modified: Date | null;
    modifiedAtLoad: Date | null;
    latestModified: Date | null;
    content: string | Uint8Array | null;
    lastLoadedOrSaved: Date | null;
    isContentLoaded: boolean;
    needsSave: boolean;
    fileContainerStorage: IStorage | null;
    extendedPath: string;
    readonly coreContentLength: number;
    readonly type: string;
    onFileContentUpdated: IEvent<IFile, IFile>;
    priorVersions: IVersionContent[];
    isInErrorState?: boolean;
    errorStateMessage?: string;
    /**
     * Cache for comment-json parsed object.
     * When set, this contains the parsed JSON with comment metadata preserved as Symbol properties.
     * Use JsonUtilities to work with this cache to ensure comments are preserved through edits.
     */
    commentJsonCache?: unknown;
    isBinary: boolean;
    isString: boolean;
    canIgnore: boolean;
    parentFolder: IFolder;
    dispose(): void;
    unload(): void;
    scanForChanges(): Promise<void>;
    getHash(): Promise<string | undefined>;
    getRelativePathFor(file: IFile): string | undefined;
    deleteThisFile(skipRemoveFromParent?: boolean): Promise<boolean>;
    moveTo(newStorageRelativePath: string): Promise<boolean>;
    exists(): Promise<boolean>;
    getRootRelativePath(): string | undefined;
    getFolderRelativePath(toFolder: IFolder): string | undefined;
    loadContent(force?: boolean, forceEncoding?: EncodingType): Promise<Date>;
    setObjectContentIfSemanticallyDifferent(value: object | null | undefined, updateType?: FileUpdateType, sourceId?: string): boolean;
    setContentIfSemanticallyDifferent(content: string | Uint8Array, updateType?: FileUpdateType, sourceId?: string): boolean;
    setContent(content: string | Uint8Array, updateType?: FileUpdateType, sourceId?: string): boolean;
    saveContent(force?: boolean): Promise<Date>;
}