question: visit a service used by the current module . the name must be the name of an interface or an abstract class . concode_field_sep ModuleVisitor mv concode_elem_sep int api concode_field_sep void visitProvide concode_elem_sep void visitEnd concode_elem_sep void visitRequire concode_elem_sep void visitExport
target: void function ( String arg0 ) { if ( mv != null ) { mv . visitUse ( arg0 ) ; } }