<commit_before><commit_msg>docs: create file to improve docs (#45828)<commit_after>import { Component, Directive, Input, TemplateRef, ContentChild} from '@angular/core';

let nextId = 0;

// #docregion zippycontentdirective
@Directive({
  selector: '[appExampleZippyContent]'
})
export class ZippyContentDirective {
  constructor(public templateRef: TemplateRef<unknown>) {}
}
// #enddocregion zippycontentdirective

@Component({
  selector: 'app-example-zippy',
  templateUrl: 'example-zippy.template.html',
})
export class ZippyComponent {
  contentId = `zippy-${nextId++}`;
  @Input() expanded = false;
  // #docregion contentchild
  @ContentChild(ZippyContentDirective) content!: ZippyContentDirective;
  // #enddocregion contentchild
}
{'fraction_non_alphanumeric': 0.12837837837837837, 'fraction_numerical': 0.008108108108108109, 'mean_word_length': 6.336633663366337, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 4, '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': '6989525', 'n_tokens_mistral': 237, 'n_tokens_neox': 224, 'n_words': 50}