@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        } else if (o != null && o.getClass() == ConfigOption.class) {
            ConfigOption<?> that = (ConfigOption<?>) o;
            return this.key.equals(that.key)
                    && Arrays.equals(this.fallbackKeys, that.fallbackKeys)
                    && (this.defaultValue == null ? that.defaultValue == null
                            : (that.defaultValue != null && this.defaultValue.equals(that.defaultValue)));
        } else {
            return false;
        }
    }
Returns the description of this option.

@return The option's description.
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/configuration/ConfigOption.java