How to use the cloudform-types.StringParameter function in cloudform-types

public makeResolverS3RootParams(): Template {
        return {
            Parameters: {
                [ResourceConstants.PARAMETERS.Env]: new StringParameter({
                    Description: `The environment name. e.g. Dev, Test, or Production`,
                    Default: ResourceConstants.NONE
                }),
                ResolverBucket: new StringParameter({
                    Description: `The name of the bucket containing the resolver templates`,
                }),
                ResolverRootKey: new StringParameter({
                    Description: `The s3 key of the folder containing the resolver templates in format {Type}.{Field}.[response|request].{Timestamp}`,
                }),
                DeploymentTimestamp: new StringParameter({
                    Description: `The timestamp used to identify thie most recent version of the resolver templates in s3.`,
                })
            }
        }
    }

public makeParams() {
    return {
      [ResourceConstants.PARAMETERS.AppSyncApiName]: new StringParameter({
        Description: 'The name of the AppSync API',
        Default: 'AppSyncSimpleTransform',
      }),
      [ResourceConstants.PARAMETERS.APIKeyExpirationEpoch]: new NumberParameter({
        Description:
          'The epoch time in seconds when the API Key should expire.' +
          ' Setting this to 0 will default to 7 days from the deployment date.' +
          ' Setting this to -1 will not create an API Key.',
        Default: 0,
        MinValue: -1,
      }),
      [ResourceConstants.PARAMETERS.CreateAPIKey]: new NumberParameter({
        Description:
          'The boolean value to control if an API Key will be created or not.' +
          ' The value of the property is automatically set by the CLI.' +
          ' If the value is set to 0 no API Key will be created.',

public makeResolverS3RootParams(): Template {
    return {
      Parameters: {
        [ResourceConstants.PARAMETERS.Env]: new StringParameter({
          Description: `The environment name. e.g. Dev, Test, or Production`,
          Default: ResourceConstants.NONE,
        }),
        [ResourceConstants.PARAMETERS.S3DeploymentBucket]: new StringParameter({
          Description: 'The S3 bucket containing all deployment assets for the project.',
        }),
        [ResourceConstants.PARAMETERS.S3DeploymentRootKey]: new StringParameter({
          Description: 'An S3 key relative to the S3DeploymentBucket that points to the root of the deployment directory.',
        }),
      },
    };
  }

public makeSchemaParam(): Template {
        return {
            Parameters: {
                [this.removeDotsAndCamelcase('schema.graphql')]: new StringParameter({
                    Description: `The S3 location for the Schema: schema.graphql`,
                })
            }
        }
    }

export default function blankNestedTemplate(
    params: { [key: string]: Parameter } = {}
): Template {
    return {
        AWSTemplateFormatVersion: '2010-09-09',
        Description: `A nested stack generated by the GraphQL transform.`,
        Metadata: {},
        Parameters: {
            [ResourceConstants.PARAMETERS.AppSyncApiId]: new StringParameter({
                Description: `The id of the AppSync API associated with this project.`,
            }),
            ...params
        },
        Resources: {},
        Outputs: {}
    }
}

public makeParams() {
        return {
            [ResourceConstants.PARAMETERS.ElasticsearchAccessIAMRoleName]: new StringParameter({
                Description: 'The name of the IAM role assumed by AppSync for Elasticsearch.',
                Default: 'AppSyncElasticsearchRole'
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchStreamingLambdaHandlerName]: new StringParameter({
                Description: 'The name of the lambda handler.',
                Default: 'python_streaming_function.lambda_handler'
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchStreamingLambdaRuntime]: new StringParameter({
                Description: `The lambda runtime \
                (https://docs.aws.amazon.com/lambda/latest/dg/API_CreateFunction.html#SSS-CreateFunction-request-Runtime)`,
                Default: 'python3.6'
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchStreamingFunctionName]: new StringParameter({
                Description: 'The name of the streaming lambda function.',
                Default: 'DdbToEsFn'
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchStreamingIAMRoleName]: new StringParameter({
                Description: 'The name of the streaming lambda function IAM role.',
                Default: 'SearchableLambdaIAMRole'
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchDebugStreamingLambda]: new NumberParameter({
                Description: 'Enable debug logs for the Dynamo -> ES streaming lambda.',
                Default: 1,
                AllowedValues: [0, 1]
            }),
            [ResourceConstants.PARAMETERS.ElasticsearchInstanceCount]: new NumberParameter({
                Description: 'The number of instances to launch into the Elasticsearch domain.',
                Default: 1
            }),

public makeResolverS3RootParams(): Template {
        return {
            Parameters: {
                [ResourceConstants.PARAMETERS.Env]: new StringParameter({
                    Description: `The environment name. e.g. Dev, Test, or Production`,
                    Default: ResourceConstants.NONE
                }),
                ResolverBucket: new StringParameter({
                    Description: `The name of the bucket containing the resolver templates`,
                }),
                ResolverRootKey: new StringParameter({
                    Description: `The s3 key of the folder containing the resolver templates in format {Type}.{Field}.[response|request].{Timestamp}`,
                }),
                DeploymentTimestamp: new StringParameter({
                    Description: `The timestamp used to identify thie most recent version of the resolver templates in s3.`,
                })
            }
        }
    }

public makeResolverS3RootParams(): Template {
        return {
            Parameters: {
                [ResourceConstants.PARAMETERS.Env]: new StringParameter({
                    Description: `The environment name. e.g. Dev, Test, or Production`,
                    Default: ResourceConstants.NONE
                }),
                ResolverBucket: new StringParameter({
                    Description: `The name of the bucket containing the resolver templates`,
                }),
                ResolverRootKey: new StringParameter({
                    Description: `The s3 key of the folder containing the resolver templates in format {Type}.{Field}.[response|request].{Timestamp}`,
                }),
                DeploymentTimestamp: new StringParameter({
                    Description: `The timestamp used to identify thie most recent version of the resolver templates in s3.`,
                })
            }
        }
    }

Default: 'AppSyncElasticsearchRole',
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchStreamingLambdaHandlerName]: new StringParameter({
        Description: 'The name of the lambda handler.',
        Default: 'python_streaming_function.lambda_handler',
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchStreamingLambdaRuntime]: new StringParameter({
        Description: `The lambda runtime \
                (https://docs.aws.amazon.com/lambda/latest/dg/API_CreateFunction.html#SSS-CreateFunction-request-Runtime)`,
        Default: 'python3.6',
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchStreamingFunctionName]: new StringParameter({
        Description: 'The name of the streaming lambda function.',
        Default: 'DdbToEsFn',
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchStreamingIAMRoleName]: new StringParameter({
        Description: 'The name of the streaming lambda function IAM role.',
        Default: 'SearchableLambdaIAMRole',
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchDebugStreamingLambda]: new NumberParameter({
        Description: 'Enable debug logs for the Dynamo -> ES streaming lambda.',
        Default: 1,
        AllowedValues: [0, 1],
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchInstanceCount]: new NumberParameter({
        Description: 'The number of instances to launch into the Elasticsearch domain.',
        Default: 1,
      }),
      [ResourceConstants.PARAMETERS.ElasticsearchInstanceType]: new StringParameter({
        Description: 'The type of instance to launch into the Elasticsearch domain.',
        Default: 't2.small.elasticsearch',
        AllowedValues: [

public format(ctx: TransformerContext): DeploymentResources {
    ctx.mergeConditions(this.schemaResourceUtil.makeEnvironmentConditions());
    const resolversFunctionsAndSchema = this.collectResolversFunctionsAndSchema(ctx);
    const defaultDependencies = [ResourceConstants.RESOURCES.GraphQLSchemaLogicalID];
    if (ctx.getResource(ResourceConstants.RESOURCES.NoneDataSource)) {
      defaultDependencies.push(ResourceConstants.RESOURCES.NoneDataSource);
    }
    const nestedStacks = splitStack({
      stack: ctx.template,
      stackRules: ctx.getStackMapping(),
      defaultParameterValues: {
        [ResourceConstants.PARAMETERS.AppSyncApiId]: Fn.GetAtt(ResourceConstants.RESOURCES.GraphQLAPILogicalID, 'ApiId'),
      },
      defaultParameterDefinitions: {
        [ResourceConstants.PARAMETERS.AppSyncApiId]: new StringParameter({
          Description: `The id of the AppSync API associated with this project.`,
        }),
      },
      deployment: {
        deploymentBucketParameterName: ResourceConstants.PARAMETERS.S3DeploymentBucket,
        deploymentKeyParameterName: ResourceConstants.PARAMETERS.S3DeploymentRootKey,
      },
      importExportPrefix: Fn.Ref(ResourceConstants.PARAMETERS.AppSyncApiId),
      defaultDependencies,
    });
    return {
      ...nestedStacks,
      ...resolversFunctionsAndSchema,
    };
  }