year_2020/src/main/java/nl/mwensveen/adventofcode/year_2020/day_21/Allergen.java
public Builder addPossibleCode(String... possibleCodeElements) {
            if (possibleCodeElements == null) {
                throw new IllegalArgumentException("possibleCodeElements is null");
            }
            Collections.addAll(this.possibleCode, possibleCodeElements);
            return this;
        }
/**
         * Adds to the {@link #possibleCode} property of this builder
         *
         * @param possibleCode
         * @return this builder
         * @throws IllegalArgumentException if possibleCode is null or contains a null element
         */
Adds to the  #possibleCode property of this builder
@param possibleCode
@return this builder
@throws IllegalArgumentException if possibleCode is null or contains a null element
Adds to the #possibleCode property of this builder @param possibleCode @return this builder @throws IllegalArgumentException if possibleCode is null or contains a null element
public Builder addPossibleCode(String... possibleCodeElements) {
            if (possibleCodeElements == null) {
                throw new IllegalArgumentException("possibleCodeElements is null");
            }
            Collections.addAll(this.possibleCode, possibleCodeElements);
            return this;
        }
public Builder addPossibleCode ( String ... possibleCodeElements ) { if ( possibleCodeElements == null ) { throw new IllegalArgumentException ( "possibleCodeElements is null" ) ; } Collections . addAll ( this . possibleCode , possibleCodeElements ) ; return this ; }
Adds to the {@link #possibleCode} property of this builder
 @param possibleCode
 @return this builder
 @throws IllegalArgumentException if possibleCode is null or contains a null element
Adds to the { @link #possibleCode } property of this builder @param possibleCode @return this builder @throws IllegalArgumentException if possibleCode is null or contains a null element