public InLongMsgTlogKv timeFieldName(String timeFieldName) {
        checkNotNull(timeFieldName);
        internalProperties.putString(FORMAT_TIME_FIELD_NAME, timeFieldName);
        return this;
    }
Sets the name of the time field.

@param timeFieldName The name of the time field.
@return The instance which has time field name set.
inlong-sort/sort-formats/format-rowdata/format-inlongmsg-rowdata-tlogkv/src/main/java/org/apache/inlong/sort/formats/inlongmsgtlogkv/InLongMsgTlogKv.java