src/vs/editor/contrib/find/browser/findDecorations.ts/FindDecorations/matchAfterPosition
class FindDecorations:	public matchAfterPosition(position: Position): Range | null {
		if (this._decorations.length === 0) {
			return null;
		}
		for (let i = 0, len = this._decorations.length; i < len; i++) {
			let decorationId = this._decorations[i];
			let r = this._editor.getModel().getDecorationRange(decorationId);
			if (!r || r.startLineNumber < position.lineNumber) {
				continue;
			}
			if (r.startLineNumber > position.lineNumber) {
				return r;
			}
			if (r.startColumn < position.column) {
				continue;
			}
			return r;
		}

		return this._editor.getModel().getDecorationRange(this._decorations[0]);
	}