allErrs = append(allErrs, ValidateToken(d.TLSBootstrapToken, fldPath.Child("tlsBootstrapToken"))...)
	}

	if d.File != nil {
		allErrs = append(allErrs, ValidateDiscoveryFile(d.File, fldPath.Child("file"))...)
		if len(d.TLSBootstrapToken) != 0 {
			allErrs = append(allErrs, ValidateToken(d.TLSBootstrapToken, fldPath.Child("tlsBootstrapToken"))...)
		}
	}

		{".6b6baab1d4a0a171", false},
		{"772ef5.", false},
		{"abcdef.1234567890123456@foobar", false},
	}
	for _, rt := range tests {
		err := ValidateToken(rt.token, nil).ToAggregate()
		if (err == nil) != rt.expected {
			t.Errorf(
				"failed ValidateToken:\n\ttoken: %q\n\t  expected: %t, got: %t",
				rt.token,
				rt.expected,
				(err == nil),
			)
		}
	}
}