! Sets the data of the cell with indices \a keyIndex and \a valueIndex to \a z. The indices enumerate the cells starting from zero, up to the map's size-1 in the respective dimension (see \ref setSize). In the standard plot configuration (horizontal key axis and vertical value axis, both not range-reversed), the cell with indices (0, 0) is in the bottom left corner and the cell with
source not stored for this graph (policy: none)
nothing calls this directly
no outgoing calls
no test coverage detected