src/vs/editor/common/tokens/sparseMultilineTokens.ts/SparseMultilineTokens/constructor
class SparseMultilineTokens:	private constructor(startLineNumber: number, tokens: SparseMultilineTokensStorage) {
		this._startLineNumber = startLineNumber;
		this._tokens = tokens;
		this._endLineNumber = this._startLineNumber + this._tokens.getMaxDeltaLine();
	}