How to use the cloudform.NumberParameter function in cloudform

AllowedValues: [
                    't2.small.elasticsearch', 't2.medium.elasticsearch', 'c4.large.elasticsearch',
                    'c4.xlarge.elasticsearch', 'c4.2xlarge.elasticsearch', 'c4.4xlarge.elasticsearch',
                    'c4.8xlarge.elasticsearch', 'm3.medium.elasticsearch', 'm3.large.elasticsearch',
                    'm3.xlarge.elasticsearch', 'm3.2xlarge.elasticsearch', 'm4.large.elasticsearch',
                    'm4.xlarge.elasticsearch', 'm4.2xlarge.elasticsearch', 'm4.4xlarge.elasticsearch',
                    'm4.10xlarge.elasticsearch', 'r3.large.elasticsearch', 'r3.xlarge.elasticsearch',
                    'r3.2xlarge.elasticsearch', 'r3.4xlarge.elasticsearch', 'r3.8xlarge.elasticsearch',
                    'r4.large.elasticsearch', 'r4.xlarge.elasticsearch', 'r4.2xlarge.elasticsearch',
                    'r4.4xlarge.elasticsearch', 'r4.8xlarge.elasticsearch', 'r4.16xlarge.elasticsearch',
                    'i2.xlarge.elasticsearch', 'i2.2xlarge.elasticsearch', 'i3.large.elasticsearch',
                    'i3.xlarge.elasticsearch', 'i3.2xlarge.elasticsearch', 'i3.4xlarge.elasticsearch',
                    'i3.8xlarge.elasticsearch', 'i3.16xlarge.elasticsearch'
                ]
            }),
            _a[ResourceFactory.ParameterIds.ElasticSearchEBSVolumeGB] = new cloudform_1.NumberParameter({
                Description: 'The size in GB of the EBS volumes that contain our data.',
                Default: 20
            }),
            _a[ResourceFactory.ParameterIds.StreamingLambdaCodeS3Bucket] = new cloudform_1.StringParameter({
                Description: 'S3 bucket containing the DynamoDB streaming lambda code.',
                Default: 'mp-lambda-blueprints'
            }),
            _a[ResourceFactory.ParameterIds.StreamingLambdaCodeS3Key] = new cloudform_1.StringParameter({
                Description: 'S3 key containing the DynamoDB streaming lambda code.',
                Default: 'streaming-lambda.zip'
            }),
            _a[ResourceFactory.ParameterIds.StreamingLambdaCodeS3Version] = new cloudform_1.StringParameter({
                Description: 'S3 key containing the DynamoDB lambda code version.',
                Default: 'Sc32fGDZq2SdHBc1Hek6I3_Lzzt4OazX'
            }),
            _a;

Default: 'AppSyncElasticSearchAccess'
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchStreamingFunctionName] = new cloudform_1.StringParameter({
                Description: 'The name of the streaming lambda function.',
                Default: 'DynamoDBToElasticSearchFunction'
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchStreamingIAMRoleName] = new cloudform_1.StringParameter({
                Description: 'The name of the streaming lambda function IAM role.',
                Default: 'DynamoDBToElasticSearchFunctionIAMRole'
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchDebugStreamingLambda] = new cloudform_1.NumberParameter({
                Description: 'Enable debug logs for the Dynamo -> ES streaming lambda.',
                Default: 1,
                AllowedValues: [0, 1]
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchInstanceCount] = new cloudform_1.NumberParameter({
                Description: 'The number of instances to launch into the ElasticSearch domain.',
                Default: 1
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchDomainName] = new cloudform_1.StringParameter({
                Description: 'The name of the ElasticSearch domain.',
                Default: 'appsync-elasticsearch-domain',
                AllowedPattern: '^[a-z][a-z0-9-]*$',
                MinLength: 1,
                MaxLength: 28
            }),
            _a[amplify_graphql_transformer_common_1.ResourceConstants.PARAMETERS.ElasticSearchInstanceType] = new cloudform_1.StringParameter({
                Description: 'The type of instance to launch into the ElasticSearch domain.',
                Default: 't2.small.elasticsearch',
                AllowedValues: [
                    't2.small.elasticsearch', 't2.medium.elasticsearch', 'c4.large.elasticsearch',
                    'c4.xlarge.elasticsearch', 'c4.2xlarge.elasticsearch', 'c4.4xlarge.elasticsearch',

ResourceFactory.prototype.makeParams = function () {
        var _a;
        return _a = {},
            _a[graphql_transformer_common_1.ResourceConstants.PARAMETERS.AppSyncApiName] = new cloudform_1.StringParameter({
                Description: 'The name of the AppSync API',
                Default: 'AppSyncSimpleTransform'
            }),
            _a[graphql_transformer_common_1.ResourceConstants.PARAMETERS.DynamoDBModelTableReadIOPS] = new cloudform_1.NumberParameter({
                Description: 'The number of read IOPS the table should support.',
                Default: 5
            }),
            _a[graphql_transformer_common_1.ResourceConstants.PARAMETERS.DynamoDBModelTableWriteIOPS] = new cloudform_1.NumberParameter({
                Description: 'The number of write IOPS the table should support.',
                Default: 5
            }),
            _a;
    };
    /**