import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class FileFormatDirective {
    private elementRef;
    private document;
    format: any;
    constructor(elementRef: ElementRef, document: any);
    ngOnInit(): void;
    private categorizeFileFormat;
    static ɵfac: i0.ɵɵFactoryDeclaration<FileFormatDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FileFormatDirective, "[dxcFileFormat]", never, { "format": "format"; }, {}, never>;
}
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