SourceControlResourceGroup   
    A source control resource group is a collection of source control resource states.
Properties
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                  Context value of the resource group. This can be used to contribute resource group specific actions. For example, if a resource group is given a context value of exportable, when contributing actions to scm/resourceGroup/context using menus extension point, you can specify context value for key scmResourceGroupState in when expressions, like scmResourceGroupState == exportable.
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                  Whether this source control resource group is hidden when it contains no source control resource states.
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                  This group's collection of source control resource states.