Puts the key and value into the this.
The function adds a new or replaces an existing key, if any such already exists in the this
.
| this |
an CacheKeys |
| key |
a key identifier to put |
| value |
a value to put with the |
| inc_ref_counts |
how many refs to add, or 0 to have it stored forever |
| cancellable |
optional Cancellable object, or null |
|
Whether succeeded. |