{
  "api": {
    "USBAlternateInterface": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/USBAlternateInterface",
        "spec_url": "https://wicg.github.io/webusb/#usbalternateinterface",
        "tags": [
          "web-features:webusb"
        ],
        "support": {
          "chrome": {
            "version_added": "61"
          },
          "chrome_android": "mirror",
          "edge": "mirror",
          "firefox": {
            "version_added": false
          },
          "firefox_android": "mirror",
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": false
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": false,
            "notes": "WebView exposes this interface, but does not support WebUSB. See [bug 41441927](https://crbug.com/41441927)."
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "USBAlternateInterface": {
        "__compat": {
          "description": "`USBAlternateInterface()` constructor",
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-usbalternateinterface",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "worker_support": {
        "__compat": {
          "description": "Available in workers",
          "spec_url": "https://wicg.github.io/webusb/#usbalternateinterface",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "118",
                "partial_implementation": true,
                "notes": "Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers."
              },
              {
                "version_added": "70",
                "version_removed": "118",
                "partial_implementation": true,
                "notes": "Available in dedicated workers, not available in shared workers and service workers."
              }
            ],
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/41441927",
              "notes": "WebView exposes this interface, but does not support WebUSB."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "alternateSetting": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-alternatesetting",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "endpoints": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-endpoints",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "interfaceClass": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-interfaceclass",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "interfaceName": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-interfacename",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "interfaceProtocol": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-interfaceprotocol",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "interfaceSubclass": {
        "__compat": {
          "spec_url": "https://wicg.github.io/webusb/#dom-usbalternateinterface-interfacesubclass",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}