// @generated by protobuf-ts 2.9.6
// @generated from protobuf file "google/api/field_behavior.proto" (package "google.api", syntax proto3)
// tslint:disable
//
// Copyright 2020 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.
//
/**
 * An indicator of the behavior of a given field (for example, that a field
 * is required in requests, or given as output but ignored as input).
 * This **does not** change the behavior in protocol buffers itself; it only
 * denotes the behavior and may affect how API tooling handles the field.
 *
 * Note: This enum **may** receive new values in the future.
 *
 * @generated from protobuf enum google.api.FieldBehavior
 */
export enum FieldBehavior {
    /**
     * Conventional default for enums. Do not use this.
     *
     * @generated from protobuf enum value: FIELD_BEHAVIOR_UNSPECIFIED = 0;
     */
    FIELD_BEHAVIOR_UNSPECIFIED = 0,
    /**
     * Specifically denotes a field as optional.
     * While all fields in protocol buffers are optional, this may be specified
     * for emphasis if appropriate.
     *
     * @generated from protobuf enum value: OPTIONAL = 1;
     */
    OPTIONAL = 1,
    /**
     * Denotes a field as required.
     * This indicates that the field **must** be provided as part of the request,
     * and failure to do so will cause an error (usually `INVALID_ARGUMENT`).
     *
     * @generated from protobuf enum value: REQUIRED = 2;
     */
    REQUIRED = 2,
    /**
     * Denotes a field as output only.
     * This indicates that the field is provided in responses, but including the
     * field in a request does nothing (the server *must* ignore it and
     * *must not* throw an error as a result of the field's presence).
     *
     * @generated from protobuf enum value: OUTPUT_ONLY = 3;
     */
    OUTPUT_ONLY = 3,
    /**
     * Denotes a field as input only.
     * This indicates that the field is provided in requests, and the
     * corresponding field is not included in output.
     *
     * @generated from protobuf enum value: INPUT_ONLY = 4;
     */
    INPUT_ONLY = 4,
    /**
     * Denotes a field as immutable.
     * This indicates that the field may be set once in a request to create a
     * resource, but may not be changed thereafter.
     *
     * @generated from protobuf enum value: IMMUTABLE = 5;
     */
    IMMUTABLE = 5
}
