import { ActivatedRoute } from '@angular/router';
import { OnInit } from '@angular/core';
import { Compiler, ViewContainerRef } from '@angular/core';
import { SingleChange } from './patch-definition';
import { Observable } from 'rxjs';
import { Http } from '@angular/http';
export declare class DiffBoxCode {
    private compiler;
    private vcRef;
    diffboxCode: string;
    constructor(compiler: Compiler, vcRef: ViewContainerRef);
    ngOnChanges(): void;
}
export declare class DiffBoxComponent implements OnInit {
    private route;
    private http;
    step: string;
    optionalFilename: string;
    hideRemoved: boolean;
    tutorialName: string;
    htmlContainer: any;
    private diffDetails;
    private tutorialData;
    private files;
    private revision;
    constructor(route: ActivatedRoute, http: Http);
    ngOnInit(): void;
    getFileModification(filename: any): SingleChange[];
    getImproveLink(filename: any): Observable<{
        url: string;
    }>;
    getFileContent(filename: any): string;
    buildGitHubLink(filename: string): string;
    getLineNumbers(filename: any): any[];
    getLines(filename: string): any[];
}