import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class SnakeCaseDirective {
    private el;
    constructor(el: ElementRef);
    onInput(value: string): void;
    private toSnakeCase;
    static ɵfac: i0.ɵɵFactoryDeclaration<SnakeCaseDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SnakeCaseDirective, "[appSnakeCase]", never, {}, {}, never, never, false, never>;
}