vlsuite-1.0.x-dev/modules/vlsuite_block/modules/vlsuite_block_webform/vlsuite_block_webform.services.yml

services:
  vlsuite_block_webform.uninstall_validator:
    class: Drupal\vlsuite_block_webform\VLSuiteBlockWebformUninstallValidator
    tags:
      - { name: module_install.uninstall_validator }
    arguments: ['@entity_type.manager']