export interface ExclusivePrivateFileHandle {
    close(): Promise<void>;
    sync(): Promise<void>;
    writeFile(data: string, encoding: BufferEncoding): Promise<void>;
}
export interface ExclusivePrivateFileSystem {
    open(file: string, flags: "wx", mode: number): Promise<ExclusivePrivateFileHandle>;
    unlink(file: string): Promise<void>;
}
export interface ExclusivePrivateFileMessages {
    exists: string;
    failure: string;
    invalidPath: string;
}
export declare const DEFAULT_EXCLUSIVE_PRIVATE_FILE_SYSTEM: ExclusivePrivateFileSystem;
export declare function resolveExclusivePrivateFile(file: string, messages: ExclusivePrivateFileMessages): string;
export declare function writeExclusivePrivateFile(file: string, content: string, messages: ExclusivePrivateFileMessages, fileSystem?: ExclusivePrivateFileSystem): Promise<void>;
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