Guardiola had earlier been named Premier League manager of the year at the LMA Awards dinner in London on Tuesday night, just 24 hours after celebrating City's triumph with an open-top bus parade around Manchester.
Manager Guardiola said now was not the time for looking ahead to see if they could improve on their league performance next term. "Then we'll try to come back stronger than this season", added the 47-year-old Spaniard. "But, I repeat, that will depend on the decisions of Napoli as the player is tied for another two years".
We are going to try every day on the pitch to improve our players.
'We have a young squad with an average age of 23 and we want to keep taking steps forward and maintain the levels we've achieved this season'.
The former Barcelona and Bayern Munich boss moved to the Etihad Stadium in the summer of 2016 and endured an inconsistent first season as he sought to stamp his authority on the side.
Guardiola joined Man City at the start of the 16-17 season, and went trophy-less for the very first time in his career, calling the season a "failure".
Motorola releases Moto G6 as Pomelo 1S in China
Under the hood, the smartphone runs on the Qualcomm Snapdragon 450 Octa-core chipset, which is based on 14nm FinFET technology. Sensors on board the smartphone are an accelerometer, ambient light sensor, digital compass, gyroscope, and proximity sensor.
The club scored 106 goals and claimed 32 wins, as they dropped only 14 points in the league all season.
Prize money for 2017-18 Premier League season revealed as Manchester United takes the highest share over their arch-rival Manchester City.
"We have all the conditions to be stable like a club and are trying to be ready for the next years".
They ended the season with the most points, most goals, most wins, best goal difference and biggest points-winning margin of any title-winning side, along with a host of other records.
Securing the long-term future of one of the most highly-regarded managers in the world represents a coup for City's hierarchy.
"Of course, Manchester City haven't done that in the past".