@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;

        if (obj instanceof ListDocumentMetadataHistoryResult == false)
            return false;
        ListDocumentMetadataHistoryResult other = (ListDocumentMetadataHistoryResult) obj;
        if (other.getName() == null ^ this.getName() == null)
            return false;
        if (other.getName() != null && other.getName().equals(this.getName()) == false)
            return false;
        if (other.getDocumentVersion() == null ^ this.getDocumentVersion() == null)
            return false;
        if (other.getDocumentVersion() != null && other.getDocumentVersion().equals(this.getDocumentVersion()) == false)
            return false;
        if (other.getAuthor() == null ^ this.getAuthor() == null)
            return false;
        if (other.getAuthor() != null && other.getAuthor().equals(this.getAuthor()) == false)
            return false;
        if (other.getMetadata() == null ^ this.getMetadata() == null)
            return false;
        if (other.getMetadata() != null && other.getMetadata().equals(this.getMetadata()) == false)
            return false;
        if (other.getNextToken() == null ^ this.getNextToken() == null)
            return false;
        if (other.getNextToken() != null && other.getNextToken().equals(this.getNextToken()) == false)
            return false;
        return true;
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/ListDocumentMetadataHistoryResult.java