public Builder setNullLiteral(String nullLiteral) {
            Preconditions.checkNotNull(nullLiteral, "Null literal must not be null.");
            this.nullLiteral = nullLiteral;
            return this;
        }
Creates a CSV deserialization schema for the given {@link TypeInformation} with optional
parameters.
inlong-sort/sort-formats/format-rowdata/format-rowdata-csv/src/main/java/org/apache/inlong/sort/formats/csv/CsvRowDataDeserializationSchema.java