type HaveHTTPHeaderWithValueMatcher … func (matcher *HaveHTTPHeaderWithValueMatcher) Match(actual interface{ … } func (matcher *HaveHTTPHeaderWithValueMatcher) FailureMessage(actual interface{ … } func (matcher *HaveHTTPHeaderWithValueMatcher) NegatedFailureMessage(actual interface{ … } func (matcher *HaveHTTPHeaderWithValueMatcher) getSubMatcher() (types.GomegaMatcher, error) { … } func (matcher *HaveHTTPHeaderWithValueMatcher) extractHeader(actual interface{ … }