Index of first rendered slide
Array with slide items passed by virtual.slides parameter
Index of last rendered slide
Update virtual slides state.
Optionalforce: booleanre-render even if the slice didn't move
OptionalbeforeInit: booleaninternal flag set by the module during beforeInit
OptionalforceActiveIndex: numberoverride swiper.activeIndex when computing the slice
Object with cached slides HTML elements, keyed by slide index.