Core/src/main/java/org/openestate/io/core/CsvRecord.java
protected final void set(int pos, String value) {
        value = StringUtils.trimToNull(value);
        if (value != null)
            this.values.put(pos, value);
        else if (this.values.containsKey(pos))
            this.values.remove(pos);
    }
protected final void set(int pos, String value) {
        value = StringUtils.trimToNull(value);
        if (value != null)
            this.values.put(pos, value);
        else if (this.values.containsKey(pos))
            this.values.remove(pos);
    }
Sets the value of this record at a certain index position.

@param pos   index position
@param value the value to set