driver-legacy/src/main/com/mongodb/DBCursor.java
ReadConcern getReadConcern() {
        ReadConcern readConcern = findOptions.getReadConcern();
        if (readConcern != null) {
            return readConcern;
        }
        return collection.getReadConcern();
    }
ReadConcern getReadConcern() {
        ReadConcern readConcern = findOptions.getReadConcern();
        if (readConcern != null) {
            return readConcern;
        }
        return collection.getReadConcern();
    }
Get the read concern for this collection.

@return the {@link com.mongodb.ReadConcern}
@since 3.2
@mongodb.server.release 3.2
@mongodb.driver.manual reference/readConcern/ Read Concern