src/vs/editor/browser/viewParts/minimap/minimap.ts/MinimapSamplingState/decorationLineRangeToMinimapLineRange
class MinimapSamplingState:	public decorationLineRangeToMinimapLineRange(startLineNumber: number, endLineNumber: number): [number, number] {
		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];
	}