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diff --git a/axiom/src/xpath/xpath_streaming.h b/axiom/src/xpath/xpath_streaming.h
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+++ b/axiom/src/xpath/xpath_streaming.h
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+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AXIOM_XPATH_STREAMING_H
+#define AXIOM_XPATH_STREAMING_H
+
+#include "xpath_internals.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /**
+     * @defgroup axiom_xpath_streaming streaming
+     * @ingroup axiom_xpath
+     * @{
+     */
+
+
+    /**
+     * XPath streaming support
+     */
+    typedef enum axiom_xpath_streaming_t
+    {
+        AXIOM_XPATH_STREAMING_NOT_SUPPORTED = 0,
+        AXIOM_XPATH_STREAMING_SUPPORTED,
+        AXIOM_XPATH_STREAMING_CONSTANT,
+        AXIOM_XPATH_STREAMING_ATTRIBUTE
+    } axiom_xpath_streaming_t;
+
+    /** Check whether the given expression is supported on streaming XML */
+#define AXIOM_XPATH_CHECK(op) axiom_xpath_streaming_check_operation(env, expr, op)
+
+    /** Get an operation from the list of operations */
+#define AXIOM_XPATH_OPR_EXPR_GET(ind) (axiom_xpath_operation_t *) \
+ axutil_array_list_get(expr->operations, env, ind)
+
+    /**
+      * Checks whether the given expression is supported on streaming XML
+      *
+      * @param env Environment must not be null
+      * @param expr A pointer to the XPath expression
+      * @param op_p Index of the operation in the list of operations
+      * @return Whether the given operation can be evaluated on streaming XML
+      */
+    axiom_xpath_streaming_t axiom_xpath_streaming_check_operation(
+        const axutil_env_t *env,
+        axiom_xpath_expression_t* expr,
+        int op_p);
+
+    /**
+      * Checks whether the predicate is supported on streaming XML.
+      *
+      * @param env Environment must not be null
+      * @param expr A pointer to the XPath expression
+      * @param op_p Index of the operation in the list of operations
+      * @return Whether the given operation can be evaluated on streaming XML
+      */
+    axiom_xpath_streaming_t axiom_xpath_streaming_check_predicate(
+        const axutil_env_t *env,
+        axiom_xpath_expression_t* expr,
+        int op_p);
+
+    /**
+      * Checks whether the predicate is supported on streaming XML.
+      *
+      * @param env Environment must not be null
+      * @param expr A pointer to the XPath expression
+      * @param op Index of the operation in the list of operations
+      * @return Whether the given operation can be evaluated on streaming XML
+      */
+    axiom_xpath_streaming_t axiom_xpath_streaming_check_node_test(
+        const axutil_env_t *env,
+        axiom_xpath_expression_t* expr,
+        axiom_xpath_operation_t* op);
+
+
+    /**
+      * Checks whether the two operations can be evaluated on streaming XML
+      * sequencially (one after the other), where the result of the first
+      * operation is the context of the next
+      *
+      * @param r1 Type of first operation
+      * @param r2 Type of second operation
+      * @return Whether the given operations can be evaluated on streaming XML
+      */
+    axiom_xpath_streaming_t axiom_xpath_streaming_combine_dependent(
+        axiom_xpath_streaming_t r1,
+        axiom_xpath_streaming_t r2);
+
+
+    /**
+      * Checks whether the two operations can be evaluated on streaming XML
+      * simultaneousy
+      *
+      * @param r1 Type of first operation
+      * @param r2 Type of second operation
+      * @return Whether the given operations can be evaluated on streaming XML
+      */
+    axiom_xpath_streaming_t axiom_xpath_streaming_combine_independent(
+        axiom_xpath_streaming_t r1,
+        axiom_xpath_streaming_t r2);
+
+    /** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif