GraphVariableFunction* writeVariables;
/* This is for graphs where the data on both axis is in the range of
* timestamps */
GraphVariableFunction* writeVariables;
/* This is for graphs where the data on both axis is in the range of
* timestamps */
GraphFunction* writeTraceTraceOptions;
/* This is for graphs where the data on the abscissa is in the range of
* timestamps and the ordinates is in the range of timestamp deltas */
GraphFunction* writeTraceTraceOptions;
/* This is for graphs where the data on the abscissa is in the range of
* timestamps and the ordinates is in the range of timestamp deltas */