BUPKIS
    Preparing search index...

    Variable definedAssertionConst

    definedAssertion: AssertionStandardSchemaSync<
        readonly ["to be defined"],
        ZodNonOptional<ZodUnknown>,
        never,
    > = ...

    Asserts that the subject is defined (not undefined).

    expect(null, 'to be defined'); // passes
    expect(undefined, 'to be defined'); // fails