import { type presignedUrls } from "../../events/types";
export declare const MAX_FILE_SIZE: number;
export declare class Filemanager {
    private pendingFiles;
    private pendingMessage?;
    private pendingFormats;
    /**
     * Set the files for upload
     */
    setFilesForUpload(files: File[], message?: string): void;
    /**
     * Get the pending file state
     */
    getPendingFileState(): {
        files: File[];
        message: string;
        formats: string[];
    };
    /**
     * Upload files to presigned URLs
     */
    uploadFilesToPresignedUrl(presignedUrls: presignedUrls[]): Promise<string[]>;
    /**
     * Creates a File object from a blob with a specific name
     * @param blob The blob to convert
     * @param fileName The name for the file
     * @returns File object
     */
    blobToFile(blob: Blob, fileName: string): File;
    /**
     * Validate file types
     * @param file The file to validate
     * @returns boolean - true if file type is supported
     */
    validateFile(file: File): boolean;
    /**
     * Clears the pending files
     */
    clearPendingFilesState(): void;
}