@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getComponentName() != null)
            sb.append("ComponentName: ").append(getComponentName()).append(",");
        if (getComponentPath() != null)
            sb.append("ComponentPath: ").append(getComponentPath()).append(",");
        if (getExternalIdProperty() != null)
            sb.append("ExternalIdProperty: ").append(getExternalIdProperty()).append(",");
        if (getEntityId() != null)
            sb.append("EntityId: ").append(getEntityId()).append(",");
        if (getPropertyName() != null)
            sb.append("PropertyName: ").append(getPropertyName());
        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-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/EntityPropertyReference.java