{
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    "operators": {
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        "__compat": {
          "description": "<code>function*</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/function*",
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            },
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            },
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            },
            "firefox": {
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            },
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            },
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            }
          },
          "status": {
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            "standard_track": true,
            "deprecated": false
          }
        },
        "trailing_comma": {
          "__compat": {
            "description": "Trailing comma in parameters",
            "support": {
              "chrome": {
                "version_added": "58"
              },
              "chrome_android": {
                "version_added": "58"
              },
              "edge": {
                "version_added": "79"
              },
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              },
              "firefox_android": {
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              },
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              },
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              },
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              },
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              },
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              },
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            },
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              "deprecated": false
            }
          }
        }
      }
    }
  }
}