method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public int getConnectionState(android.bluetooth.BluetoothDevice);
method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public java.util.List<android.bluetooth.BluetoothDevice> getDevicesMatchingConnectionStates(int[]);
field public static final int A2DP = 2; // 0x2
field public static final int CSIP_SET_COORDINATOR = 25; // 0x19
field public static final String EXTRA_PREVIOUS_STATE = "android.bluetooth.profile.extra.PREVIOUS_STATE";
field public static final String EXTRA_STATE = "android.bluetooth.profile.extra.STATE";