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diff --git a/DynamicTablesPkg/Include/Library/TableHelperLib.h b/DynamicTablesPkg/Include/Library/TableHelperLib.h
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index 0000000000..3c4e1d23d2
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+++ b/DynamicTablesPkg/Include/Library/TableHelperLib.h
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+/** @file
+
+  Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef TABLE_HELPER_LIB_H_
+#define TABLE_HELPER_LIB_H_
+
+/** The GetCgfMgrInfo function gets the CM_STD_OBJ_CONFIGURATION_MANAGER_INFO
+    object from the Configuration Manager.
+
+  @param [in]  CfgMgrProtocol Pointer to the Configuration Manager protocol
+                              interface.
+  @param [out] CfgMfrInfo     Pointer to the Configuration Manager Info
+                              object structure.
+
+  @retval EFI_SUCCESS           The object is returned.
+  @retval EFI_INVALID_PARAMETER The Object ID is invalid.
+  @retval EFI_NOT_FOUND         The requested Object is not found.
+  @retval EFI_BAD_BUFFER_SIZE   The size returned by the Configuration
+                                Manager is less than the Object size.
+**/
+EFI_STATUS
+EFIAPI
+GetCgfMgrInfo (
+  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL      * CONST  CfgMgrProtocol,
+  OUT       CM_STD_OBJ_CONFIGURATION_MANAGER_INFO    **        CfgMfrInfo
+  );
+
+/** The AddAcpiHeader function updates the ACPI header structure. It uses the
+    ACPI table Generator and the Configuration Manager protocol to obtain the
+    information required for constructing the header.
+
+  @param [in]     CfgMgrProtocol Pointer to the Configuration Manager
+                                 protocol interface.
+  @param [in]     Generator      Pointer to the ACPI table Generator.
+  @param [in,out] AcpiHeader     Pointer to the ACPI table header to be
+                                 updated.
+  @param [in]     Revision       Revision of the ACPI table.
+  @param [in]     Length         Length of the ACPI table.
+
+  @retval EFI_SUCCESS           The ACPI table is updated successfully.
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_NOT_FOUND         The required object information is not found.
+  @retval EFI_BAD_BUFFER_SIZE   The size returned by the Configuration
+                                Manager is less than the Object size for the
+                                requested object.
+**/
+EFI_STATUS
+EFIAPI
+AddAcpiHeader (
+  IN      CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  * CONST CfgMgrProtocol,
+  IN      CONST ACPI_TABLE_GENERATOR                  * CONST Generator,
+  IN OUT  EFI_ACPI_DESCRIPTION_HEADER                 * CONST AcpiHeader,
+  IN      CONST UINT32                                        Revision,
+  IN      CONST UINT32                                        Length
+  );
+
+#endif // TABLE_HELPER_LIB_H_