services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/update/AddAction.java [60:109]:
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        this.path = Validate.paramNotNull(builder.path, "path");
        this.value = Validate.paramNotNull(builder.value, "value");
        this.expressionValues = wrapSecure(Validate.paramNotNull(builder.expressionValues, "expressionValues"));
        this.expressionNames = wrapSecure(builder.expressionNames != null ? builder.expressionNames : new HashMap<>());
    }

    private static <T, U> Map<T, U> wrapSecure(Map<T, U> map) {
        return Collections.unmodifiableMap(new HashMap<>(map));
    }

    /**
     * Constructs a new builder for {@link AddAction}.
     *
     * @return a new builder.
     */
    public static Builder builder() {
        return new Builder();
    }

    @Override
    public Builder toBuilder() {
        return builder().path(path)
                        .value(value)
                        .expressionNames(expressionNames)
                        .expressionValues(expressionValues);
    }

    public String path() {
        return path;
    }

    public String value() {
        return value;
    }

    public Map<String, String> expressionNames() {
        return expressionNames;
    }

    public Map<String, AttributeValue> expressionValues() {
        return expressionValues;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
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services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/update/DeleteAction.java [60:109]:
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        this.path = Validate.paramNotNull(builder.path, "path");
        this.value = Validate.paramNotNull(builder.value, "value");
        this.expressionValues = wrapSecure(Validate.paramNotNull(builder.expressionValues, "expressionValues"));
        this.expressionNames = wrapSecure(builder.expressionNames != null ? builder.expressionNames : new HashMap<>());
    }

    private static <T, U> Map<T, U> wrapSecure(Map<T, U> map) {
        return Collections.unmodifiableMap(new HashMap<>(map));
    }

    /**
     * Constructs a new builder for {@link DeleteAction}.
     *
     * @return a new builder.
     */
    public static Builder builder() {
        return new Builder();
    }

    @Override
    public Builder toBuilder() {
        return builder().path(path)
                        .value(value)
                        .expressionNames(expressionNames)
                        .expressionValues(expressionValues);
    }

    public String path() {
        return path;
    }

    public String value() {
        return value;
    }

    public Map<String, String> expressionNames() {
        return expressionNames;
    }

    public Map<String, AttributeValue> expressionValues() {
        return expressionValues;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
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