decorationLineRangeToMinimapLineRange(startLineNumber, endLineNumber) {
        let minimapLineStart = this.modelLineToMinimapLine(startLineNumber);
        let minimapLineEnd = this.modelLineToMinimapLine(endLineNumber);
        if (startLineNumber !== endLineNumber && minimapLineEnd === minimapLineStart) {
            if (minimapLineEnd === this.minimapLines.length) {
                if (minimapLineStart > 1) {
                    minimapLineStart--;
                }
            }
            else {
                minimapLineEnd++;
            }
        }
        return [minimapLineStart, minimapLineEnd];
    }
Will always return a range, even if it is not intersecting with a sampled model line.