--- /dev/null
+// 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.
+
+#pragma once
+
+namespace arrow {
+namespace compute {
+
+class FunctionRegistry;
+
+namespace internal {
+
+// Built-in scalar / elementwise functions
+void RegisterScalarArithmetic(FunctionRegistry* registry);
+void RegisterScalarBoolean(FunctionRegistry* registry);
+void RegisterScalarCast(FunctionRegistry* registry);
+void RegisterScalarComparison(FunctionRegistry* registry);
+void RegisterScalarIfElse(FunctionRegistry* registry);
+void RegisterScalarNested(FunctionRegistry* registry);
+void RegisterScalarSetLookup(FunctionRegistry* registry);
+void RegisterScalarStringAscii(FunctionRegistry* registry);
+void RegisterScalarTemporalBinary(FunctionRegistry* registry);
+void RegisterScalarTemporalUnary(FunctionRegistry* registry);
+void RegisterScalarValidity(FunctionRegistry* registry);
+
+void RegisterScalarOptions(FunctionRegistry* registry);
+
+// Vector functions
+void RegisterVectorArraySort(FunctionRegistry* registry);
+void RegisterVectorHash(FunctionRegistry* registry);
+void RegisterVectorNested(FunctionRegistry* registry);
+void RegisterVectorReplace(FunctionRegistry* registry);
+void RegisterVectorSelection(FunctionRegistry* registry);
+void RegisterVectorSort(FunctionRegistry* registry);
+
+void RegisterVectorOptions(FunctionRegistry* registry);
+
+// Aggregate functions
+void RegisterHashAggregateBasic(FunctionRegistry* registry);
+void RegisterScalarAggregateBasic(FunctionRegistry* registry);
+void RegisterScalarAggregateMode(FunctionRegistry* registry);
+void RegisterScalarAggregateQuantile(FunctionRegistry* registry);
+void RegisterScalarAggregateTDigest(FunctionRegistry* registry);
+void RegisterScalarAggregateVariance(FunctionRegistry* registry);
+
+void RegisterAggregateOptions(FunctionRegistry* registry);
+
+} // namespace internal
+} // namespace compute
+} // namespace arrow