_setTokens(topLevelLanguageId: LanguageId, lineIndex: number, lineTextLength: number, tokens: Uint32Array): void {
		let target: ModelLineTokens;
		if (lineIndex < this._tokens.length && this._tokens[lineIndex]) {
			target = this._tokens[lineIndex];
		} else {
			target = new ModelLineTokens(null);
			this._tokens[lineIndex] = target;
		}

		if (lineTextLength === 0) {
			let hasDifferentLanguageId = false;
			if (tokens && tokens.length > 1) {
				hasDifferentLanguageId = (TokenMetadata.getLanguageId(tokens[1]) !== topLevelLanguageId);
			}

			if (!hasDifferentLanguageId) {
				target._lineTokens = EMPTY_LINE_TOKENS;
				return;
			}
		}

		if (!tokens || tokens.length === 0) {
			tokens = new Uint32Array(2);
			tokens[0] = 0;
			tokens[1] = getDefaultMetadata(topLevelLanguageId);
		}

		LineTokens.convertToEndOffset(tokens, lineTextLength);

		target._lineTokens = tokens.buffer;
	}

	public getInlineStyle(tokenIndex: number, colorMap: string[]): string {
		const metadata = this._tokens[(tokenIndex << 1) + 1];
		return TokenMetadata.getInlineStyleFromMetadata(metadata, colorMap);
	}

	public getClassName(tokenIndex: number): string {
		const metadata = this._tokens[(tokenIndex << 1) + 1];
		return TokenMetadata.getClassNameFromMetadata(metadata);
	}

	public getForeground(tokenIndex: number): ColorId {
		const metadata = this._tokens[(tokenIndex << 1) + 1];
		return TokenMetadata.getForeground(metadata);
	}

	public getStandardTokenType(tokenIndex: number): StandardTokenType {
		const metadata = this._tokens[(tokenIndex << 1) + 1];
		return TokenMetadata.getTokenType(metadata);
	}

	public getLanguageId(tokenIndex: number): LanguageId {
		const metadata = this._tokens[(tokenIndex << 1) + 1];
		return TokenMetadata.getLanguageId(metadata);
	}

	public getInlineStyle(colorMap: string[]): string {
		return TokenMetadata.getInlineStyleFromMetadata(this._metadata, colorMap);
	}

	public getType(): string {
		return TokenMetadata.getClassNameFromMetadata(this._metadata);
	}

	public getForeground(): ColorId {
		return TokenMetadata.getForeground(this._metadata);
	}