PHPDoc tag @param for parameter $hmacOutputLength with type SimpleSAML\XMLSecurity\ds\HMACOutputLength|null is not subtype of native type SimpleSAML\XMLSecurity\XML\ds\HMACOutputLength|null.

PHPDoc type for property SimpleSAML\XMLSecurity\XML\ds\SignatureMethod::$hmacOutputLength with type SimpleSAML\XMLSecurity\ds\HMACOutputLength|null is not subtype of native type SimpleSAML\XMLSecurity\XML\ds\HMACOutputLength|null.

Parameter $hmacOutputLength of method SimpleSAML\XMLSecurity\XML\ds\SignatureMethod::__construct() has invalid type SimpleSAML\XMLSecurity\ds\HMACOutputLength.

Property SimpleSAML\XMLSecurity\XML\ds\SignatureMethod::$hmacOutputLength has unknown class SimpleSAML\XMLSecurity\ds\HMACOutputLength as its type.

Method SimpleSAML\XMLSecurity\XML\ds\SignatureMethod::getHMACOutputLength() has invalid return type SimpleSAML\XMLSecurity\ds\HMACOutputLength.

PHPDoc tag @return with type SimpleSAML\XMLSecurity\ds\HMACOutputLength|null is not subtype of native type SimpleSAML\XMLSecurity\XML\ds\HMACOutputLength|null.