@Override
    public String toString() {
        return "AttributeMapping{" +
                "name='" + name + '\'' +
                ", position=" + position +
                ", mapping='" + mapping + '\'' +
                ", type=" + type +
                '}';
    }
Holder object to store mapping information for a given Siddhi Attribute
{@link io.siddhi.query.api.definition.Attribute}
modules/siddhi-core/src/main/java/io/siddhi/core/stream/input/source/AttributeMapping.java