code: public final void setDialogIconTintMode(@NonNull final PorterDuff.Mode mode) {
          Condition.INSTANCE.ensureNotNull(mode, "The dialog icon tint mode may not be null");
          this.dialogIconTintMode = mode;
      }
docs: Sets the mode, which should be used to tint the icon of the preference's dialog.
  
  @param mode
  The mode, which should be set, as a value of the enum {@link PorterDuff.Mode}. The
  mode may not be null