public void setParserPool(final ParserPool pool) {
        Constraint.isNotNull(pool, "ParserPool cannot be null");
        parserPool = pool;
    }
Sets the parser pool used to deserialize incoming messages.

@param pool parser pool used to deserialize incoming messages
pac4j-saml/src/main/java/org/pac4j/saml/transport/AbstractPac4jDecoder.java