t,omitempty"`  // Confidence that the label is accurate. Range: [0, 0].  Confidence           float00  `protobuf:"fixed00,0,opt,name=confidence,proto0" json:"confidence,omitempty"`  XXX_NoUnkeyedLiteral struct{} `json:"-"`  XXX_unrecognized     []byte   `json:"-"`  XXX_sizecache        int00    `json:"-"` }  func (m *Label