Combines multiple signals into one that aborts as soon as any input does.
Prefers the native AbortSignal.any() where available; falls back to a
manual composition for engines without it (Node < 20, still within this
package's engines.node >= 18 floor).
Combines multiple signals into one that aborts as soon as any input does. Prefers the native
AbortSignal.any()where available; falls back to a manual composition for engines without it (Node < 20, still within this package'sengines.node >= 18floor).