void function ( String arg0 ) { this . host = arg0 ; }
sets the harmony hub host concode_field_sep String password concode_elem_sep String host concode_elem_sep String username concode_field_sep void setPassword concode_elem_sep String getPassword concode_elem_sep void setUsername concode_elem_sep boolean isValid concode_elem_sep String getHost concode_elem_sep String getUsername