struct HashtableImportOptionsBuilder;
struct HashtableImportOptionsT;

struct HashtableSizeOptions;
struct HashtableSizeOptionsBuilder;
struct HashtableSizeOptionsT;

struct VarHandleOptions;
struct VarHandleOptionsBuilder;
struct VarHandleOptionsT;

struct ReadVariableOptions;
struct ReadVariableOptionsBuilder;
struct ReadVariableOptionsT;

struct AssignVariableOptions;
struct AssignVariableOptionsBuilder;