I'm afraid I don't understand the question.
If the "component accessor" you are talking about is the one internal to Jira, and used in the APIs, then there's not enough information in your question to give you an answer. That code is internal, it runs in the current Jira - starting to speak about a "remote Jira" makes no sense.
If it's not the internal API, then I don't know what you are talking about - could you explain what you mean?
(Either way, you need to expand on "remote jira instance" as well - how are you accessing that, what's the connection?)
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