ShankarSumanth

import { Observable } from 'rxjs/Observable';
import { KeycloakApiService } from '../keycloak/keycloak-api.service';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Injectable } from '@angular/core';


@Injectable()
export class CustomHttp {

  private apiBaseUrl = `Your API Endpoint`;

ShankarSumanth

import { Observable } from 'rxjs/Observable';
import { KeycloakApiService } from './keycloak/keycloak-api.service';
import { IsLoggedInCheck } from './keycloak/keycloak.actions';
import { selectKeycloakModel } from './keycloak/keycloak.reducer';
import { AppState } from './reducers';
import { Store } from '@ngrx/store';
import { Injectable } from '@angular/core';
import {
    CanActivate, Router,
    ActivatedRouteSnapshot,