7 files declare their use of FieldStorageDefinitionUpdateForbiddenException in Drupal 10

EntityDefinitionUpdateTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityDefinitionUpdateTest.php

FieldSqlStorageTest.php in core/tests/Drupal/KernelTests/Core/Entity/FieldSqlStorageTest.php

FieldStorageCrudTest.php in core/modules/field/tests/src/Kernel/FieldStorageCrudTest.php

field_test.field.inc in core/modules/field/tests/modules/field_test/field_test.field.inc

Defines a field type and its formatters and widgets.

options.module in core/modules/options/options.module

Defines selection, check box and radio button widgets for text and numeric fields.

OptionsFieldTest.php in core/modules/options/tests/src/Kernel/OptionsFieldTest.php

SqlContentEntityStorageSchema.php in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php