TYPO3 CMS example composer.json with adjuste CMS core package

composer.json

{
  "name": "websight/institute",
  "description": "",
  "type": "typo3-cms-extension",
  "version": "0.1",
  "autoload": {
    "psr-4": {
      "Websight\\Institute\\": "Classes/"
    },
    "classmap": [
      "Tests/",
      "vendor/typo3/cms/typo3/sysext"
    ]
  },
  "replace": {
    "typo3/cms-composer-installers": "*"
  },
  "require-dev": {
    "typo3/cms": "6.2.9",
    "phpunit/phpunit": "~4.4.0",
    "mikey179/vfsStream": "~1.3.0",
    "phpmd/phpmd": "@stable",
    "phploc/phploc": "~2.0.6",
    "sebastian/phpcpd": "~2.0.1",
    "squizlabs/php_codesniffer": "~2.1.0",
    "theseer/phpdox": "0.7.0",
    "fluidtypo3/coding-standards": "dev-master",
    "typo3/static-info-tables": "6.1.*",
    "typo3/news": "3.0.1"
  },
  "repositories": [
    {
      "type": "package",
      "package": {
        "name": "typo3/cms",
        "version": "6.2.9",
        "dist": {
          "url": "https://github.com/TYPO3/TYPO3.CMS/archive/6.2.9.zip",
          "type": "zip"
        },
        "source": {
          "url": "https://github.com/TYPO3/TYPO3.CMS.git",
          "type": "git",
          "reference": "6.2.9"
        }
      }
    },
    {
      "type": "package",
      "package": {
        "name": "typo3/static-info-tables",
        "version": "6.1.2",
        "dist": {
          "url": "https://github.com/typo3-ter/static_info_tables/archive/6.1.2.zip",
          "type": "zip"
        },
        "source": {
          "url": "https://github.com/typo3-ter/static_info_tables.git",
          "type": "git",
          "reference": "6.1.2"
        },
        "autoload": {
          "psr-4": {
            "SJBR\\StaticInfoTables\\": "Classes/"
          }
        }
      }
    },
    {
      "type": "package",
      "package": {
        "name": "typo3/news",
        "version": "3.0.1",
        "dist": {
          "url": "https://git.typo3.org/TYPO3CMS/Extensions/news.git/snapshot/0afa4f653afa12359b9a767fee5ed143ded2ae61.zip",
          "type": "zip"
        },
        "source": {
          "url": "https://git.typo3.org/TYPO3CMS/Extensions/news.git",
          "type": "git",
          "reference": "3.0.1"
        },
        "autoload": {
          "psr-4": {
            "SJBR\\StaticInfoTables\\": "Classes/"
          }
        }
      }
    }
  ]
}