decodeIntElement
Decodes a 32-bit integer value from the underlying input. The resulting value is associated with the descriptor element at the given index. The element at the given index should have PrimitiveKind.INT kind.
Decodes a 32-bit integer value from the underlying input. The resulting value is associated with the descriptor element at the given index. The element at the given index should have PrimitiveKind.INT kind.