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EIT_EXECUTE_ACTIVATION_STEP - Extensibility Template: Execute Activation Step
EIT_EXECUTE_CHECK_BEFORE_SAVE - Extensibility Template: Execute Check Before Save
EIT_ITEM_CONTENT_HANDLER_EXIT - Extensibility Template: VH Exit for Item Hander Class VH
EIT_ODATA_ENTITY_SET_EXIT - Extensibility Template: OData Entity Set
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