add copyright headers

23 files changed, 345 insertions, 0 deletions

diff --git a/kamon-core-tests/src/test/scala/kamon/EnvironmentSpec.scala b/kamon-core-tests/src/test/scala/kamon/EnvironmentSpec.scala
index 2dee46ab..82eed862 100644
--- a/kamon-core-tests/src/test/scala/kamon/EnvironmentSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/EnvironmentSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon
 
 import com.typesafe.config.ConfigFactory
diff --git a/kamon-core-tests/src/test/scala/kamon/UtilsOnConfigSpec.scala b/kamon-core-tests/src/test/scala/kamon/UtilsOnConfigSpec.scala
index 8b0e0790..9791403f 100644
--- a/kamon-core-tests/src/test/scala/kamon/UtilsOnConfigSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/UtilsOnConfigSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon
 
 import com.typesafe.config.ConfigFactory
diff --git a/kamon-core-tests/src/test/scala/kamon/context/ContextCodecSpec.scala b/kamon-core-tests/src/test/scala/kamon/context/ContextCodecSpec.scala
index ab71814f..bc46c998 100644
--- a/kamon-core-tests/src/test/scala/kamon/context/ContextCodecSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/context/ContextCodecSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.context
 
 import kamon.Kamon
diff --git a/kamon-core-tests/src/test/scala/kamon/context/ThreadLocalStorageSpec.scala b/kamon-core-tests/src/test/scala/kamon/context/ThreadLocalStorageSpec.scala
index 39f316ba..12e0ca58 100644
--- a/kamon-core-tests/src/test/scala/kamon/context/ThreadLocalStorageSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/context/ThreadLocalStorageSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.context
 
 
diff --git a/kamon-core-tests/src/test/scala/kamon/metric/FilterSpec.scala b/kamon-core-tests/src/test/scala/kamon/metric/FilterSpec.scala
index cda76dc2..a5cc618b 100644
--- a/kamon-core-tests/src/test/scala/kamon/metric/FilterSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/metric/FilterSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon
 package metric
 
diff --git a/kamon-core-tests/src/test/scala/kamon/metric/HistogramSpec.scala b/kamon-core-tests/src/test/scala/kamon/metric/HistogramSpec.scala
index f0ea1292..30f1a01d 100644
--- a/kamon-core-tests/src/test/scala/kamon/metric/HistogramSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/metric/HistogramSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.metric
 
 import kamon.Kamon
diff --git a/kamon-core-tests/src/test/scala/kamon/metric/MetricLookupSpec.scala b/kamon-core-tests/src/test/scala/kamon/metric/MetricLookupSpec.scala
index 1d60a28f..64ae1514 100644
--- a/kamon-core-tests/src/test/scala/kamon/metric/MetricLookupSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/metric/MetricLookupSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.metric
 
 import kamon.Kamon
diff --git a/kamon-core-tests/src/test/scala/kamon/metric/TimerSpec.scala b/kamon-core-tests/src/test/scala/kamon/metric/TimerSpec.scala
index 3fc1e169..1d439b3a 100644
--- a/kamon-core-tests/src/test/scala/kamon/metric/TimerSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/metric/TimerSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.metric
 
 import kamon.Kamon
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala b/kamon-core-tests/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala
index 8f9af7b0..6120c79a 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.trace.IdentityProvider.Identifier
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/DoubleLengthTraceIdentityGeneratorSpec.scala b/kamon-core-tests/src/test/scala/kamon/trace/DoubleLengthTraceIdentityGeneratorSpec.scala
index b22f17e1..64bb8f88 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/DoubleLengthTraceIdentityGeneratorSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/DoubleLengthTraceIdentityGeneratorSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.trace.IdentityProvider.Identifier
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/LocalSpanSpec.scala b/kamon-core-tests/src/test/scala/kamon/trace/LocalSpanSpec.scala
index e24f8727..6da7829d 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/LocalSpanSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/LocalSpanSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.testkit.{MetricInspection, Reconfigure, TestSpanReporter}
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/SpanCustomizerSpec.scala b/kamon-core-tests/src/test/scala/kamon/trace/SpanCustomizerSpec.scala
index 39bd7cd7..9945ba63 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/SpanCustomizerSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/SpanCustomizerSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.Kamon
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/SpanMetrics.scala b/kamon-core-tests/src/test/scala/kamon/trace/SpanMetrics.scala
index 3d292134..dd777490 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/SpanMetrics.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/SpanMetrics.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.Kamon.buildSpan
diff --git a/kamon-core-tests/src/test/scala/kamon/trace/TracerSpec.scala b/kamon-core-tests/src/test/scala/kamon/trace/TracerSpec.scala
index 3ad8a171..a08277ea 100644
--- a/kamon-core-tests/src/test/scala/kamon/trace/TracerSpec.scala
+++ b/kamon-core-tests/src/test/scala/kamon/trace/TracerSpec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import com.typesafe.config.ConfigFactory
diff --git a/kamon-core/src/main/scala/kamon/context/Storage.scala b/kamon-core/src/main/scala/kamon/context/Storage.scala
index 6b92ff85..4f4e6cbb 100644
--- a/kamon-core/src/main/scala/kamon/context/Storage.scala
+++ b/kamon-core/src/main/scala/kamon/context/Storage.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.context
 
 trait Storage {
diff --git a/kamon-core/src/main/scala/kamon/trace/IdentityProvider.scala b/kamon-core/src/main/scala/kamon/trace/IdentityProvider.scala
index 937200f5..290e6c27 100644
--- a/kamon-core/src/main/scala/kamon/trace/IdentityProvider.scala
+++ b/kamon-core/src/main/scala/kamon/trace/IdentityProvider.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import java.nio.ByteBuffer
diff --git a/kamon-core/src/main/scala/kamon/trace/SpanCustomizer.scala b/kamon-core/src/main/scala/kamon/trace/SpanCustomizer.scala
index 4c6220ce..2a8e2271 100644
--- a/kamon-core/src/main/scala/kamon/trace/SpanCustomizer.scala
+++ b/kamon-core/src/main/scala/kamon/trace/SpanCustomizer.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.trace
 
 import kamon.context.Key
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/ContextTesting.scala b/kamon-testkit/src/main/scala/kamon/testkit/ContextTesting.scala
index b9e243d4..3330fe68 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/ContextTesting.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/ContextTesting.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import kamon.context.{Context, Key}
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/Reconfigure.scala b/kamon-testkit/src/main/scala/kamon/testkit/Reconfigure.scala
index 6a5c4709..01a7265a 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/Reconfigure.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/Reconfigure.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import com.typesafe.config.ConfigFactory
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/SimpleStringCodec.scala b/kamon-testkit/src/main/scala/kamon/testkit/SimpleStringCodec.scala
index f1d8cb14..c755b0af 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/SimpleStringCodec.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/SimpleStringCodec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import java.nio.ByteBuffer
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/SpanBuilding.scala b/kamon-testkit/src/main/scala/kamon/testkit/SpanBuilding.scala
index 7a216ecc..d4facb96 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/SpanBuilding.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/SpanBuilding.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import kamon.trace.SpanContext.SamplingDecision
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/SpanInspection.scala b/kamon-testkit/src/main/scala/kamon/testkit/SpanInspection.scala
index c4a83a73..b43b7509 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/SpanInspection.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/SpanInspection.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import kamon.trace.{Span, SpanContext}
diff --git a/kamon-testkit/src/main/scala/kamon/testkit/TestSpanReporter.scala b/kamon-testkit/src/main/scala/kamon/testkit/TestSpanReporter.scala
index 8ea2d433..0a93e4b5 100644
--- a/kamon-testkit/src/main/scala/kamon/testkit/TestSpanReporter.scala
+++ b/kamon-testkit/src/main/scala/kamon/testkit/TestSpanReporter.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.testkit
 
 import java.util.concurrent.LinkedBlockingQueue