how to get value from angular material datepicker code example

Example: angular material datepicker range get value

// Template

<mat-form-field appearance="standard">
  <mat-label>{{reportField.value.label}}</mat-label>
  <mat-date-range-input [rangePicker]="dateRangePicker">
    <input matStartDate
      placeholder="Start date"
      #dateRangeStart>
    <input matEndDate
      placeholder="End date"
      #dateRangeEnd
      (dateChange)="dateRangeChange(dateRangeStart, dateRangeEnd)">
  </mat-date-range-input>
  <mat-datepicker-toggle matPrefix
    [for]="dateRangePicker">
  </mat-datepicker-toggle>
  <mat-date-range-picker #dateRangePicker></mat-date-range-picker>
</mat-form-field>