def METHOD_NAME():
    gc = GlobalConfig()
    template = {
        "AWSTemplateFormatVersion": "2010-09-09",
        "Transform": "AWS::Serverless-2016-10-31",
        "Description": "Managed Stack for AWS SAM CLI",
        "Metadata": {
            "SamCliInfo": {
                "version": __version__,
                "installationId": gc.installation_id if gc.installation_id else "unknown",
            }
        },
        "Resources": {
            "SamCliSourceBucket": {
                "Type": "AWS::S3::Bucket",
                "Properties": {
                    "PublicAccessBlockConfiguration": {
                        "BlockPublicPolicy": "true",
                        "BlockPublicAcls": "true",
                        "IgnorePublicAcls": "true",
                        "RestrictPublicBuckets": "true",
                    },
                    "BucketEncryption": {
                        "ServerSideEncryptionConfiguration": [
                            {"ServerSideEncryptionByDefault": {"SSEAlgorithm": "aws:kms"}}
                        ]
                    },
                    "VersioningConfiguration": {"Status": "Enabled"},
                    "Tags": [{"Key": "ManagedStackSource", "Value": "AwsSamCli"}],
                },
            },
            "SamCliSourceBucketBucketPolicy": {
                "Type": "AWS::S3::BucketPolicy",
                "Properties": {
                    "Bucket": {"Ref": "SamCliSourceBucket"},
                    "PolicyDocument": {
                        "Statement": [
                            {
                                "Action": ["s3:GetObject"],
                                "Effect": "Allow",
                                "Resource": {
                                    "Fn::Join": [
                                        "",
                                        [
                                            "arn:",
                                            {"Ref": "AWS::Partition"},
                                            ":s3:::",
                                            {"Ref": "SamCliSourceBucket"},
                                            "/*",
                                        ],
                                    ]
                                },
                                "Principal": {"Service": "serverlessrepo.amazonaws.com"},
                                "Condition": {"StringEquals": {"aws:SourceAccount": {"Ref": "AWS::AccountId"}}},
                            },
                            {
                                "Action": ["s3:*"],
                                "Effect": "Deny",
                                "Resource": [
                                    {
                                        "Fn::Join": [
                                            "",
                                            [
                                                "arn:",
                                                {"Ref": "AWS::Partition"},
                                                ":s3:::",
                                                {"Ref": "SamCliSourceBucket"},
                                            ],
                                        ]
                                    },
                                    {
                                        "Fn::Join": [
                                            "",
                                            [
                                                "arn:",
                                                {"Ref": "AWS::Partition"},
                                                ":s3:::",
                                                {"Ref": "SamCliSourceBucket"},
                                                "/*",
                                            ],
                                        ]
                                    },
                                ],
                                "Principal": "*",
                                "Condition": {"Bool": {"aws:SecureTransport": "false"}},
                            },
                        ]
                    },
                },
            },
        },
        "Outputs": {"SourceBucket": {"Value": {"Ref": "SamCliSourceBucket"}}},
    }
    return json.dumps(template)