func IsObjectLockRequested(h http.Header) bool {
	return IsObjectLockLegalHoldRequested(h) || IsObjectLockRetentionRequested(h)
}

// ParseObjectLockRetentionHeaders parses http headers to extract retention mode and retention date
func ParseObjectLockRetentionHeaders(h http.Header) (rmode RetMode, r RetentionDate, err error) {
	retMode := h.Get(AmzObjectLockMode)
	dateStr := h.Get(AmzObjectLockRetainUntilDate)

				xhttp.AmzObjectLockRetainUntilDate: []string{"2087-01-02T15:04:05.000Z"},
			},
			expectedErr: nil,
		},
	}

	for i, tt := range tests {
		_, _, err := ParseObjectLockRetentionHeaders(tt.header)
		//nolint:gocritic
		if tt.expectedErr == nil {
			if err != nil {
				t.Fatalf("Case %d error: expected = <nil>, got = %v", i, err)
			}
		} else if err == nil {