The options to get the member.
     hierarchyUniqueName     [type: String]          - The unique name of the hierarchy.
     levelUniqueName         [type: String]          - The unique name of the level.
     memberUniqueName        [type: String]          - The unique name of the member, optional if specified by memberDateTime instead.
     memberDateTime          [type: Date]            - (optional) The date of the member in UTC time - see dundas.Utility.getUTCOffsetDateTime.
     includeAncestry         [type: Boolean]         - (optional) If enabled, then the parentMembers will be populated (ancestry).
     bypassHierarchyCache    [type: Boolean]         - (optional) If enabled, then the hierarchy cache is bypassed for the retrieval call.
     bypassSecurityForAdmin  [type: Boolean]         - (optional) If enabled, then if the requesting account is an admin account, security hierarchy processing is bypassed.
     tenantId                [type: String]          - (optional) If set, any tenant related data connector overrides will be used. System Administrators Only.