Fully working with the rule no explicit any

bookie/src/app/modifiers/modifier-list/modifier-list.component.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit, ViewChild } from '@angular/core';
 import { FormBuilder, FormGroup } from '@angular/forms';
+import { MatSelectChange } from '@angular/material/select';
 import { MatTable } from '@angular/material/table';
 import { ActivatedRoute, Router } from '@angular/router';
 import { BehaviorSubject } from 'rxjs';
@@ -34,7 +35,7 @@ export class ModifierListComponent implements OnInit {
     });
   }
 
-  filterOn(val: any) {
+  filterOn(val: MatSelectChange) {
     this.filter.next(val.value);
   }