collections: Add HashiCorp copyright comments

internal/collections/doc.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 // Package collections contains some helper types representing collections
 // of values that could not normally be represented using Go's built-in
 // collection types, typically because of the need to use key types that

internal/collections/map.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 // Set represents an associative array from keys of type K to values of type V.

internal/collections/map_test.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 import "testing"

internal/collections/set.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 // Set represents an unordered set of values of a particular type.

internal/collections/set_test.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 import (

internal/collections/unique_key.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 // UniqueKey represents a value that is comparable and uniquely identifies

internal/collections/unique_key_test.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
 package collections
 
 type testingKey string