Method lineAt

src/test/datascience/mockDocument.ts:126–132

(position: Position | number)

        return undefined;
    }
    public lineAt(position: Position | number): TextLine {
        if (typeof position === 'number') {
            return this._lines[position as number];
        } else {
            return this._lines[position.line];
        }
    }
    public offsetAt(position: Position): number {
        return this.convertToOffset(position);
    }