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<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: google/api/config_change.proto

namespace Google\Api;

use UnexpectedValueException;

/**
 * Classifies set of possible modifications to an object in the service
 * configuration.
 *
 * Protobuf type <code>google.api.ChangeType</code>
 */
class ChangeType
{
    /**
     * No value was provided.
     *
     * Generated from protobuf enum <code>CHANGE_TYPE_UNSPECIFIED = 0;</code>
     */
    const CHANGE_TYPE_UNSPECIFIED = 0;
    /**
     * The changed object exists in the 'new' service configuration, but not
     * in the 'old' service configuration.
     *
     * Generated from protobuf enum <code>ADDED = 1;</code>
     */
    const ADDED = 1;
    /**
     * The changed object exists in the 'old' service configuration, but not
     * in the 'new' service configuration.
     *
     * Generated from protobuf enum <code>REMOVED = 2;</code>
     */
    const REMOVED = 2;
    /**
     * The changed object exists in both service configurations, but its value
     * is different.
     *
     * Generated from protobuf enum <code>MODIFIED = 3;</code>
     */
    const MODIFIED = 3;

    private static $valueToName = [
        self::CHANGE_TYPE_UNSPECIFIED => 'CHANGE_TYPE_UNSPECIFIED',
        self::ADDED => 'ADDED',
        self::REMOVED => 'REMOVED',
        self::MODIFIED => 'MODIFIED',
    ];

    public static function name($value)
    {
        if (!isset(self::$valueToName[$value])) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no name defined for value %s', __CLASS__, $value));
        }
        return self::$valueToName[$value];
    }


    public static function value($name)
    {
        $const = __CLASS__ . '::' . strtoupper($name);
        if (!defined($const)) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no value defined for name %s', __CLASS__, $name));
        }
        return constant($const);
    }
}