React Native Firebase
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    UnnestStageOptions: StageOptions & {
        indexField?: string;
        selectable: Selectable;
    }

    Options for Unnest stage.

    Type Declaration

    • Optional BetaindexField?: string

      If set, specifies the field on the output documents that will contain the offset (starting at zero) that the element is from the original array.

    • Betaselectable: Selectable

      A Selectable object that defines an array expression to be un-nested and the alias for the un-nested field.