Shared Java library providing Jackson serialization modules that control API field visibility. Extracted from event-registration-service-web (reg api), it defines four annotation-driven modules: `@ApiInternalField` (hide from ser+deser), `@ReadOnlyField` (skip deser), `@SecuredField` (skip ser), and `@DynamicInternalField` (runtime-conditional hiding via `HasDynamicInternalFields` interface).
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No APIs exposed