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diff --git a/src/hooks/dhcp/lease_cmds/lease_parser.h b/src/hooks/dhcp/lease_cmds/lease_parser.h
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+++ b/src/hooks/dhcp/lease_cmds/lease_parser.h
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+// Copyright (C) 2017 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef LEASE_PARSER_H
+#define LEASE_PARSER_H
+
+#include <cc/data.h>
+#include <cc/simple_parser.h>
+#include <dhcpsrv/lease.h>
+#include <dhcpsrv/srv_config.h>
+
+namespace isc {
+namespace lease_cmds {
+
+/// @brief Parser for Lease4 structure
+///
+/// It expects the data in the following format:
+/// {
+///     "ip-address": "192.0.2.1",
+///     "hw-address": "00:01:02:03:04:05",
+///     "client-id": "this-is-a-client",
+///     "valid-lft": 3600,
+///     "cltt": 12345678,
+///     "expire": 1499282530,
+///     "subnet-id": 1,
+///     "fqdn-fwd": true,
+///     "fqdn-rev": true,
+///     "hostname": "myhost.example.org",
+///     "state": 0
+/// }
+class Lease4Parser : public isc::data::SimpleParser {
+public:
+
+    /// @brief Parses Element tree and tries to convert to Lease4
+    ///
+    /// See @ref Lease6Parser class description for expected format.
+    ///
+    /// @param cfg Currently running config (used for sanity checks and defaults)
+    /// @param lease_info structure to be parsed
+    /// @return A pointer to Lease4
+    /// @throw BadValue if any of the parameters is invalid
+    /// @throw DhcpConfigError if mandatory parameter is missing
+    virtual isc::dhcp::Lease4Ptr parse(isc::dhcp::ConstSrvConfigPtr& cfg,
+                                       const isc::data::ConstElementPtr& lease_info);
+
+    /// @brief virtual dtor (does nothing)
+    virtual ~Lease4Parser() {}
+};
+
+/// @brief Parser for Lease6 structure
+///
+/// {
+///     "address": "2001:db8::1",
+///     "duid": "00:01:02:03:04:05",
+///     "type": "IA_NA",
+///     "cltt": 12345678,
+///     "preferred-lft": 3600,
+///     "valid-lft": 3600,
+///     "expire": 1499282530,
+///     "subnet-id": 1,
+///     "fqdn-fwd": true,
+///     "fqdn-rev": true,
+///     "hostname": "myhost.example.org",
+///     "state": 0
+/// }
+
+/// It expects the input data to use the following format:
+class Lease6Parser : public isc::data::SimpleParser {
+public:
+    /// @brief Parses Element tree and tries to convert to Lease4
+    ///
+    /// See @ref Lease6Parser class description for expected format.
+    ///
+    /// @param cfg Currently running config (used for sanity checks and defaults)
+    /// @param lease_info structure to be parsed
+    /// @return A pointer to Lease4
+    /// @throw BadValue if any of the parameters is invalid
+    /// @throw DhcpConfigError if mandatory parameter is missing
+    virtual isc::dhcp::Lease6Ptr parse(isc::dhcp::ConstSrvConfigPtr& cfg,
+                                       const isc::data::ConstElementPtr& lease_info);
+
+    /// @brief virtual dtor (does nothing)
+    virtual ~Lease6Parser() {}
+};
+
+}; // end of isc::dhcp namespace
+}; // end of isc namespace
+
+#endif