The compiled rule a designated rule name resolves to in the merged rule
set (config rules, then virtual rules: first of that name), or
undefined when no such rule exists.
Process a reference with its designated rule (see processSourceDocument); force re-embeds unchanged content.
Optionaloptions: IndexOptionsRetrieve and render a document without embedding or writing anything.
Designated rule stored on the document's chunk-0 point, or null if not indexed.
Synchronously validate a notification; undefined when acceptable.
Rejection code.
Human-readable error message.
Source-document operations used by the API.