ArrayParamItemMetadata:
    | OmitStrict<StringParamMetadata, "name">
    | OmitStrict<NumberParamMetadata, "name">
    | OmitStrict<BooleanParamMetadata, "name">
    | OmitStrict<DateParamMetadata, "name">
    | OmitStrict<ObjectParamMetadata, "name">
    | OmitStrict<ArrayParamMetadata, "name">

Metadata for an item of an array parameter.