Audit Material Components library?
https://github.com/material-components/material-components-android/tree/1.2.1
$ git grep -n android\\.material | grep import | cut -d: -f 3 | sort -u
import com.google.android.material.appbar.AppBarLayout
import com.google.android.material.appbar.AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS
import com.google.android.material.appbar.AppBarLayout.LayoutParams.SCROLL_FLAG_EXIT_UNTIL_COLLAPSED
import com.google.android.material.appbar.AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL
import com.google.android.material.appbar.AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP
import com.google.android.material.bottomsheet.BottomSheetBehavior
import com.google.android.material.bottomsheet.BottomSheetBehavior.BottomSheetCallback
import com.google.android.material.bottomsheet.BottomSheetDialog
import com.google.android.material.bottomsheet.BottomSheetDialogFragment
import com.google.android.material.button.MaterialButton
import com.google.android.material.R as MaterialR
import com.google.android.material.snackbar.BaseTransientBottomBar
import com.google.android.material.snackbar.ContentViewCallback
import com.google.android.material.snackbar.Snackbar
import com.google.android.material.switchmaterial.SwitchMaterial
import com.google.android.material.tabs.TabLayout
import com.google.android.material.textfield.TextInputEditText
import com.google.android.material.textfield.TextInputLayout