question: return the serial number associated with the issuer attached to this holder . concode_field_sep Holder holder concode_field_sep Principal[] getIssuer concode_elem_sep boolean match concode_elem_sep boolean match concode_elem_sep int getDigestedObjectType concode_elem_sep Object[] getNames concode_elem_sep Principal[] getPrincipals concode_elem_sep Principal[] getEntityNames concode_elem_sep byte[] getObjectDigest concode_elem_sep GeneralNames generateGeneralNames concode_elem_sep String getDigestAlgorithm concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep boolean matchesDN concode_elem_sep String getOtherObjectTypeID
target: BigInteger function ( ) { if ( holder . getBaseCertificateID ( ) != null ) { return holder . getBaseCertificateID ( ) . getSerial ( ) . getValue ( ) ; } return null ; }