mocktracer/mocktracer.go
func (t *MockTracer) RegisterInjector(format interface{}, injector Injector) {
	t.injectors[format] = injector
}
func (t *MockTracer) RegisterInjector(format interface{}, injector Injector) {
	t.injectors[format] = injector
}
func ( t * MockTracer ) RegisterInjector ( format interface { } , injector Injector ) { t . injectors [ format ] = injector }
// RegisterInjector registers injector for given format
RegisterInjector registers injector for given format