@SuppressWarnings("unchecked")
    public T setQuoteChar(Character quoteChar) {
        this.quoteChar = quoteChar;
        return (T) this;
    }
The builder for the deserializers for mixed text InLongMsg formats.

@param <T> The type of the builder.
inlong-sort/sort-formats/format-row/format-inlongmsg-base/src/main/java/org/apache/inlong/sort/formats/inlongmsg/row/InLongMsgTextMixedFormatDeserializerBuilder.java