{
  "cefr": {
    "label": "CEFR",
    "levels": [
      {"key": "A1", "label": "A1", "description": "Beginner"},
      {"key": "A2", "label": "A2", "description": "Elementary"},
      {"key": "B1", "label": "B1", "description": "Intermediate"},
      {"key": "B2", "label": "B2", "description": "Upper Intermediate"},
      {"key": "C1", "label": "C1", "description": "Advanced"},
      {"key": "C2", "label": "C2", "description": "Proficiency"}
    ]
  },
  "jlpt": {
    "label": "JLPT",
    "levels": [
      {"key": "N5", "label": "N5", "description": "Beginner"},
      {"key": "N4", "label": "N4", "description": "Elementary"},
      {"key": "N3", "label": "N3", "description": "Intermediate"},
      {"key": "N2", "label": "N2", "description": "Upper Intermediate"},
      {"key": "N1", "label": "N1", "description": "Advanced"}
    ]
  },
  "hsk": {
    "label": "HSK",
    "levels": [
      {"key": "HSK1", "label": "HSK 1", "description": "Beginner"},
      {"key": "HSK2", "label": "HSK 2", "description": "Elementary"},
      {"key": "HSK3", "label": "HSK 3", "description": "Intermediate"},
      {"key": "HSK4", "label": "HSK 4", "description": "Upper Intermediate"},
      {"key": "HSK5", "label": "HSK 5", "description": "Advanced"},
      {"key": "HSK6", "label": "HSK 6", "description": "Proficiency"}
    ]
  }
}