text: import React, {Component} from 'react';
  import {Image, Text, Slide, Heading} from "spectacle";
  import Completable from '../../assets/completable.png'
  
  export default class CompletableSlide extends Component {
  
      render() {
          return (
              <Slide>
                  <Heading size={4}>Completable</Heading>
                  <Text margin="20px 0px 0px 0px">a flow without items but only a completion or error signal</Text>
                  <Image src={Completable} width={500}/>
              </Slide>
          )
      }
  }