<mat-button-toggle-group
  class="ucap-split-button-container"
  [matMenuTriggerFor]="menu"
  [disabled]="disabled"
  #matMenuTrigger="matMenuTrigger"
>
  <mat-button-toggle color="primary" (click)="onClick($event)">
    <ng-content></ng-content>
  </mat-button-toggle>

  <mat-button-toggle color="primary" (click)="onClickSplit($event)">
    <span
      class="mdi mdi-24px"
      [class.mdi-menu-up]="splitOpened"
      [class.mdi-menu-down]="!splitOpened"
    ></span>
  </mat-button-toggle>
</mat-button-toggle-group>