12 files declare their use of PluginLabelDefinitionInterface in Plugin 8.2

ListPlugins.php in src/Controller/ListPlugins.php

ListPluginsTest.php in tests/src/Unit/Controller/ListPluginsTest.php

PluginHierarchyTrait.php in src/PluginHierarchyTrait.php

PluginHierarchyTraitTest.php in tests/src/Unit/PluginHierarchyTraitTest.php

PluginId.php in src/Plugin/views/filter/PluginId.php

PluginIdTest.php in tests/src/Unit/Plugin/views/filter/PluginIdTest.php

PluginLabel.php in src/Plugin/Field/FieldFormatter/PluginLabel.php

PluginLabelTest.php in tests/src/Unit/Plugin/Field/FieldFormatter/PluginLabelTest.php

Radios.php in src/Plugin/Plugin/PluginSelector/Radios.php

RadiosTest.php in tests/src/Unit/Plugin/Plugin/PluginSelector/RadiosTest.php

SelectList.php in src/Plugin/Plugin/PluginSelector/SelectList.php

SelectListTest.php in tests/src/Unit/Plugin/Plugin/PluginSelector/SelectListTest.php