This is the percent chance of the item composting in the
composter block and generating a compost layer. Note this
api will not return the percent chance for some vanilla
items. To get the compostable chance for all items, use the
compostingChance property on the ItemStack.
Returns whether the component is valid. A component is
considered valid if its owner is valid, in addition to any
addition to any additional validation required by the
component.
When present, the item can be composted in the composter block if the composting chance is in the range [1 - 100].