Initial QSfera import

Server/vendor/github.com/open-policy-agent/opa/ast/conflicts.go

@@ -0,0 +1,15 @@
+// Copyright 2019 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+package ast
+
+import (
+	v1 "github.com/open-policy-agent/opa/v1/ast"
+)
+
+// CheckPathConflicts returns a set of errors indicating paths that
+// are in conflict with the result of the provided callable.
+func CheckPathConflicts(c *Compiler, exists func([]string) (bool, error)) Errors {
+	return v1.CheckPathConflicts(c, exists)
+}