import ImportRecord from '../ImportRecord';
export interface FileEngine {
    geSupportedMimeTypes(): string[];
    isSupported(file: File): boolean;
    parse(file: File, options: {
        hasHeaders: boolean;
        preview: boolean;
        [key: string]: any;
    }): Promise<FileEngineOutput>;
    generate(records: ImportRecord[], options: {
        withErrors?: boolean;
        withRejectionReason?: boolean;
    }): Blob;
    link(Blob: Blob, filename: string): HTMLElement;
    download(file: Blob, filename: string): void;
}
export type FileEngineOutput = {
    headers: string[];
    records: ImportRecord[];
};
export declare abstract class BaseFileEngine implements FileEngine {
    isSupported(file: File): boolean;
    link(blob: Blob, filename: string): HTMLElement;
    download(file: Blob, filename: string): void;
    abstract geSupportedMimeTypes(): string[];
    abstract parse(file: File, options: {
        hasHeaders: boolean;
        preview: boolean;
        [key: string]: any;
    }): Promise<FileEngineOutput>;
    abstract generate(records: ImportRecord[], options: {
        withErrors?: boolean;
        withRejectionReason?: boolean;
    }): Blob;
}