import { IFileOperationResult } from '../interfaces';
import { IFileSystemProvider, IFileSystemProviderWithFileReadWriteCapability, IFileSystemProviderWithOpenReadWriteCloseCapability, FileSystemProviderErrorCode, IFileOperationResult as FileOperationResult, IReadFileOptions_Input, IWriteFileOptions_Input, ICreateFileOptions_Input, IFileSystemProviderWithFileFolderCopyCapability } from '../interfaces';
export declare class FileOperationError extends Error {
    fileOperationResult: IFileOperationResult;
    options?: IReadFileOptions_Input & IWriteFileOptions_Input & ICreateFileOptions_Input;
    constructor(message: string, fileOperationResult: IFileOperationResult, options?: IReadFileOptions_Input & IWriteFileOptions_Input & ICreateFileOptions_Input);
    static isFileOperationError(obj: unknown): obj is FileOperationError;
}
export declare function hasReadWriteCapability(provider: IFileSystemProvider): provider is IFileSystemProviderWithFileReadWriteCapability;
export declare function hasFileFolderCopyCapability(provider: IFileSystemProvider): provider is IFileSystemProviderWithFileFolderCopyCapability;
export declare function hasOpenReadWriteCloseCapability(provider: IFileSystemProvider): provider is IFileSystemProviderWithOpenReadWriteCloseCapability;
export declare function etag(stat: {
    mtime: number;
    size: number;
}): string;
export declare function etag(stat: {
    mtime: number | undefined;
    size: number | undefined;
}): string | undefined;
export declare class FileSystemProviderError extends Error {
    readonly code: FileSystemProviderErrorCode;
    constructor(message: string, code: FileSystemProviderErrorCode);
}
export declare function createFileSystemProviderError(error: Error, code: FileSystemProviderErrorCode): FileSystemProviderError;
export declare function markAsFileSystemProviderError(error: Error, code: FileSystemProviderErrorCode): Error;
export declare function toFileSystemProviderErrorCode(error: Error | undefined | null): FileSystemProviderErrorCode;
export declare function toFileOperationResult(error: Error): FileOperationResult;