core_rename(conn, name, other, async = NULL, raw = FALSE,
  callopts = list())

## Not run: 
# start Solr with Schemaless mode via the schemaless eg:
#   bin/solr start -e schemaless
# you can create a new core like: bin/solr create -c corename
# where <corename> is the name for your core - or creaate as below

# connect
(conn <- SolrClient$new())

# Status of particular cores
path <- "~/solr-8.2.0/server/solr/testcore/conf"
dir.create(path, recursive = TRUE)
files <- list.files(
"~/solr-8.2.0/server/solr/configsets/sample_techproducts_configs/conf/",
full.names = TRUE)
invisible(file.copy(files, path, recursive = TRUE))
conn$core_create("testcore") # or create in CLI: bin/solr create -c testcore

# rename
conn$core_rename("testcore", "newtestcore")
## status
conn$core_status("testcore") # core missing
conn$core_status("newtestcore", FALSE) # not missing

# cleanup
conn$core_unload("newtestcore")

## End(Not run)