import { FileValidator, ParseFilePipe } from '@nestjs/common';
import { ExpressRequest } from '../models';
export declare const FilePipe: (options?: {
    fileType?: string;
    maxSize?: number;
    validators?: FileValidator[];
}) => ParseFilePipe;
export declare function isAllowedMimeType(mimeType: string, allowedMimeTypes?: string[]): boolean;
export declare const FileFilter: (options?: {
    fileTypes?: "*" | string[];
    maxSize?: number;
}) => (req: ExpressRequest, file: Express.Multer.File, callback: (error: Error | null, acceptFile: boolean) => void) => void;
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