Return an API operation object, with information on what to request for a
given API operation. For example, the S3 service's "list buckets" operation
is named ListBuckets, it requires a GET request, and so on.
# NOT RUN {# Save info about the S3 ListBuckets API operation.op <- new_operation(
name = "ListBuckets",
http_method = "GET",
http_path = "/",
paginator = list()
)
# }