@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getPropertyId() != null)
            sb.append("PropertyId: ").append(getPropertyId()).append(",");
        if (getHierarchyId() != null)
            sb.append("HierarchyId: ").append(getHierarchyId()).append(",");
        if (getPropertyPath() != null)
            sb.append("PropertyPath: ").append(getPropertyPath());
        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-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/VariableValue.java