errs = appendErrors(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
			errs = appendErrors(errs, ValidateHTTPHeaderValue(val))
		}
		for name, val := range weight.Headers.GetRequest().GetSet() {
			errs = appendErrors(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
			errs = appendErrors(errs, ValidateHTTPHeaderValue(val))
		}
		for _, name := range weight.Headers.GetRequest().GetRemove() {

		{
			input:    "abc%123",
			expected: errors.New("header value configuration abc%123 is invalid"),
		},
	}

	for _, tc := range cases {
		t.Run(tc.input, func(t *testing.T) {
			got := ValidateHTTPHeaderValue(tc.input)
			if tc.expected == nil {
				assert.NoError(t, got)
			} else {
				assert.Error(t, got)
			}
		})
	}