The R-Omegahat interface provides 3 built-in routines for determining whether a Java object matches a particular class or not. These routines are used in determining whether a converter applies to a particular Java object and is capable of converting it to an R object. This vector is a named integer vector where the names are symbolic identifiers for the integers that allow the R and C code to identify which of these 3 built-in routines is meant.
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