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+// Copyright 2019 Google LLC.
+//
+// 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.
+//
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/expr;expr";
+option java_multiple_files = true;
+option java_outer_classname = "ExprProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents an expression text. Example:
+//
+// title: "User account presence"
+// description: "Determines whether the request has a user account"
+// expression: "size(request.user) > 0"
+message Expr {
+ // Textual representation of an expression in
+ // Common Expression Language syntax.
+ //
+ // The application context of the containing message determines which
+ // well-known feature set of CEL is supported.
+ string expression = 1;
+
+ // An optional title for the expression, i.e. a short string describing
+ // its purpose. This can be used e.g. in UIs which allow to enter the
+ // expression.
+ string title = 2;
+
+ // An optional description of the expression. This is a longer text which
+ // describes the expression, e.g. when hovered over it in a UI.
+ string description = 3;
+
+ // An optional string indicating the location of the expression for error
+ // reporting, e.g. a file name and a position in the file.
+ string location = 4;
+}