@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getFieldName() != null)
            sb.append("FieldName: ").append(getFieldName()).append(",");
        if (getGroupName() != null)
            sb.append("GroupName: ").append(getGroupName()).append(",");
        if (getHashed() != null)
            sb.append("Hashed: ").append(getHashed()).append(",");
        if (getMatchKey() != null)
            sb.append("MatchKey: ").append(getMatchKey()).append(",");
        if (getSubType() != null)
            sb.append("SubType: ").append(getSubType()).append(",");
        if (getType() != null)
            sb.append("Type: ").append(getType());
        sb.append("}");
        return sb.toString();
    }
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-entityresolution/src/main/java/com/amazonaws/services/entityresolution/model/SchemaInputAttribute.java