export interface PresignedUploadData {
    url: string;
    fields?: Record<string, string>;
    key?: string;
    method?: "POST" | "PUT";
    headers?: Record<string, string>;
    rawBody?: boolean;
    chunkSize?: number;
    externalIdField?: string;
}
export declare class FileHelper {
    static uploadPresignedFile: (presigned: PresignedUploadData, uploadedFile: File, progressCallback: (percent: number) => void) => Promise<{
        externalId?: string;
    }>;
    private static sendRaw;
    private static uploadChunked;
    private static extractExternalId;
    static presignedFormFields(presigned: {
        fields?: Record<string, string>;
    }, uploadedFile: {
        type: string;
    }): Record<string, string>;
    static postPresignedFile: (presigned: any, uploadedFile: File, progressCallback: (percent: number) => void) => Promise<unknown>;
    static dataURLtoBlob(dataurl: string): Blob;
}
//# sourceMappingURL=FileHelper.d.ts.map