com.orsoncharts.data

## Interface ItemKey

- All Known Implementing Classes:
    KeyedValues3DItemKey, KeyedValuesItemKey, XYZItemKey

      public interface ItemKey

  A key that references a single data item in a dataset.
  Since:
    1.3

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.String` | `toJSONString()` Returns a JSON formatted string representing the key.

- - ### Method Detail

    - #### toJSONString

          java.lang.String toJSONString()

      Returns a JSON formatted string representing the key.
      Returns:
        A JSON formatted string.