src/vs/workbench/contrib/terminal/browser/terminalInstance.ts/TerminalInstance/cols
class TerminalInstance:	get cols(): number {
		if (this._dimensionsOverride && this._dimensionsOverride.cols) {
			if (this._dimensionsOverride.forceExactSize) {
				return this._dimensionsOverride.cols;
			}
			return Math.min(Math.max(this._dimensionsOverride.cols, 2), this._cols);
		}
		return this._cols;
	}