SolidityTypeInt = function () {
    this._inputFormatter = f.formatInputInt;
    this._outputFormatter = f.formatOutputInt;
}
SolidityTypeInt is a prootype that represents int type
It matches:
int
int[]
int[4]
int[][]
int[3][]
int[][6][], ...
int32
int64[]
int8[4]
int256[][]
int[3][]
int64[][6][], ...