diff --git a/android/soongconfig/config.go b/android/soongconfig/config.go
new file mode 100644
index 0000000..39a776c
--- /dev/null
+++ b/android/soongconfig/config.go
@@ -0,0 +1,51 @@
+// Copyright 2020 Google Inc. All rights reserved.
+//
+// Licensed 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.
+
+package soongconfig
+
+import "strings"
+
+type SoongConfig interface {
+	// Bool interprets the variable named `name` as a boolean, returning true if, after
+	// lowercasing, it matches one of "1", "y", "yes", "on", or "true". Unset, or any other
+	// value will return false.
+	Bool(name string) bool
+
+	// String returns the string value of `name`. If the variable was not set, it will
+	// return the empty string.
+	String(name string) string
+
+	// IsSet returns whether the variable `name` was set by Make.
+	IsSet(name string) bool
+}
+
+func Config(vars map[string]string) SoongConfig {
+	return soongConfig(vars)
+}
+
+type soongConfig map[string]string
+
+func (c soongConfig) Bool(name string) bool {
+	v := strings.ToLower(c[name])
+	return v == "1" || v == "y" || v == "yes" || v == "on" || v == "true"
+}
+
+func (c soongConfig) String(name string) string {
+	return c[name]
+}
+
+func (c soongConfig) IsSet(name string) bool {
+	_, ok := c[name]
+	return ok
+}