extensions/microsoft-authentication/src/AADHelper.ts/AzureActiveDirectoryService/removeInMemorySessionData
class AzureActiveDirectoryService:	private removeInMemorySessionData(sessionId: string): IToken | undefined {
		const tokenIndex = this._tokens.findIndex(token => token.sessionId === sessionId);
		let token: IToken | undefined;
		if (tokenIndex > -1) {
			token = this._tokens[tokenIndex];
			this._tokens.splice(tokenIndex, 1);
		}

		this.clearSessionTimeout(sessionId);
		return token;
	}