<commit_before>import {Component, OnInit} from '@angular/core';
import {FormBuilder, FormGroup, Validators} from '@angular/forms';

/**
 * @title Stepper vertical
 */
@Component({
  selector: 'stepper-vertical',
  templateUrl: 'stepper-vertical-example.html',
  styleUrls: ['stepper-vertical-example.css']
})
export class StepperVerticalExample implements OnInit {
  isLinear = false;
  firstFormGroup: FormGroup;
  secondFormGroup: FormGroup;

  constructor(private _formBuilder: FormBuilder) {}

  ngOnInit() {
    this.firstFormGroup = this._formBuilder.group({
      firstCtrl: ['', Validators.required]
    });
    this.secondFormGroup = this._formBuilder.group({
      secondCtrl: ['', Validators.required]
    });
  }
}<commit_msg>docs(stepper): fix stackblitz example for mat-vertical-stepper (#12235)<commit_after>import {Component, OnInit} from '@angular/core';
import {FormBuilder, FormGroup, Validators} from '@angular/forms';

/**
 * @title Stepper vertical
 */
@Component({
  selector: 'stepper-vertical-example',
  templateUrl: 'stepper-vertical-example.html',
  styleUrls: ['stepper-vertical-example.css']
})
export class StepperVerticalExample implements OnInit {
  isLinear = false;
  firstFormGroup: FormGroup;
  secondFormGroup: FormGroup;

  constructor(private _formBuilder: FormBuilder) {}

  ngOnInit() {
    this.firstFormGroup = this._formBuilder.group({
      firstCtrl: ['', Validators.required]
    });
    this.secondFormGroup = this._formBuilder.group({
      secondCtrl: ['', Validators.required]
    });
  }
}
{'fraction_non_alphanumeric': 0.13683527885862518, 'fraction_numerical': 0.00324254215304799, 'mean_word_length': 4.757462686567164, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5012391', 'n_tokens_mistral': 469, 'n_tokens_neox': 458, 'n_words': 94}