default Optional<Function<StatementContext, String>> parse(String template, ConfigRegistry config) {
        return Optional.empty();
    }
Parse a SQL template and return a parsed representation ready to apply to a statement.
This allows the parsed representation to be cached and reused.

@param template the sql template to parse
@param config   the Jdbi configuration at prepare time
@return a parsed representation, if available
core/src/main/java/org/jdbi/v3/core/statement/TemplateEngine.java