isIrMarkerName( name: string,): name is | "ir.open" | "ir.fetch" | "ir.mount" | "ir.sandbox.boot" | "ir.transpile" | "ir.deps" | "ir.eval" | "ir.fmp" | "ir.interactive" | "ir.verify" | "ir.refresh" Returns name is
| "ir.open"
| "ir.fetch"
| "ir.mount"
| "ir.sandbox.boot"
| "ir.transpile"
| "ir.deps"
| "ir.eval"
| "ir.fmp"
| "ir.interactive"
| "ir.verify"
| "ir.refresh"
Is
namea defined top-levelir.*marker (not a sub-mark)?