-import { Component, OnInit, ViewChild, Inject, AfterViewInit, Self } from '@angular/core';
+import { animate, state, style, transition, trigger } from '@angular/animations';
+import { AfterViewInit, Component, Inject, OnInit, ViewChild } from '@angular/core';
+import { MatDialogConfig, MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';