I do not know what's wrong.
*gulpfile.js >> gulp and gulp-util and run-sequence error
consle error message Could not find a declaration file for module 'gulp'. 'c:/project/node_modules/gulp/index.js' implicitly has an 'any' type.
import * as gulp from 'gulp';
import * as util from 'gulp-util';
import * as runSequence from 'run-sequence';
Create a gulpfile.js file in your project and add
const gulp = require('gulp');
task('default', function () {
console.log('Hello Gulp!');
});