question: whether there is the specified parameter concode_field_sep String ttl_param concode_elem_sep String maddr_param concode_elem_sep String transport_param concode_elem_sep String lr_param concode_elem_sep String url concode_field_sep void addTransport concode_elem_sep void addLr concode_elem_sep String getTransport concode_elem_sep void removeParameters concode_elem_sep void addParameter concode_elem_sep void addParameter concode_elem_sep boolean hasParameters concode_elem_sep String getUserName concode_elem_sep String getHost concode_elem_sep void removeParameter concode_elem_sep boolean hasUserName concode_elem_sep String getParameter concode_elem_sep void init concode_elem_sep String getMaddr concode_elem_sep boolean hasLr concode_elem_sep boolean hasTransport concode_elem_sep void addMaddr concode_elem_sep int getPort concode_elem_sep boolean hasPort concode_elem_sep boolean hasTtl concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep Vector<String> getParameters concode_elem_sep String toString concode_elem_sep boolean hasMaddr concode_elem_sep void addTtl concode_elem_sep int getTtl
target: boolean function ( String arg0 ) { SipParser loc0 = new SipParser ( url ) ; return ( ( SipParser ) loc0 . goTo ( ';' ) . skipChar ( ) ) . hasParameter ( arg0 ) ; }