<h1 mat-dialog-title>Edit Kie Config</h1>
<div mat-dialog-content>
  <mat-form-field appearance="fill" style="width:98%;">
    <mat-label>Textarea</mat-label>
    <textarea matInput value="chassis.longwait=2 chdafd.buffersize=123"></textarea>
  </mat-form-field>

</div>
<div mat-dialog-actions>
  <button mat-button mat-dialog-close>Close</button>
  <button mat-button cdkFocusInitial>Ok</button>
</div>