Fiber!(SparseByteMap(Element(0))) constructors:
initialized fiber: Fiber(SparseByteMap{Int64}(Element{0.0, Float64, Int64}([0.0, 2.0, 2.0, 0.0, 3.0, 3.0]), 6, [1, 5], Bool[0, 1, 1, 0, 1, 1], [(1, 2), (1, 3), (1, 5), (1, 6)]))
initialized fiber: Fiber(SparseByteMap{Int16}(Element{0.0, Float64, Int64}([0.0, 2.0, 2.0, 0.0, 3.0, 3.0]), 6, [1, 5], Bool[0, 1, 1, 0, 1, 1], Tuple{Int64, Int16}[(1, 2), (1, 3), (1, 5), (1, 6)]))
sized fiber: Fiber(SparseByteMap{Int64}(Element{0.0, Float64, Int64}([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]), 7, [1, 0], Bool[0, 0, 0, 0, 0, 0, 0], Tuple{Int64, Int64}[]))
sized fiber: Fiber(SparseByteMap{Int16}(Element{0.0, Float64, Int64}([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]), 7, [1, 0], Bool[0, 0, 0, 0, 0, 0, 0], Tuple{Int64, Int16}[]))
empty fiber: Fiber(SparseByteMap{Int64}(Element{0.0, Float64, Int64}(Float64[]), 0, [1, 0], Bool[], Tuple{Int64, Int64}[]))
empty fiber: Fiber(SparseByteMap{Int16}(Element{0.0, Float64, Int64}(Float64[]), 0, [1, 0], Bool[], Tuple{Int64, Int16}[]))

