ParticleListLike

plasmapy.particles.ParticleListLike = plasmapy.particles.particle_collections.ParticleList | collections.abc.Sequence[str | int | numpy.integer | plasmapy.particles.particle_class.Particle | plasmapy.particles.particle_class.CustomParticle | astropy.units.quantity.Quantity]

Represent a union type

E.g. for int | str