The best solution may vary depending on the subgrade material. Assuming you'll be stripping any grass/vegetation/topsoil, but is the material under that fill or natural; sandy, clay, silt, gravel, or rock? Sand/gravel/rock will be pretty stable, but clay or wet silty material can be reactive (shrink/swell with seasonal moisture variations) or cause issues when it's wet.
So paver type solution may be ok for sand/gravel/rock, but you might want to put down a slab if you're expecting some movement.
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