declare namespace javax {
    namespace servlet {
        namespace http {
            interface Part {
                getInputStream(): java.io.InputStream
                getContentType(): string
                getName(): string
                getSubmittedFileName(): string
                getSize(): long
                write(arg0: java.lang.String | string): void
                delete(): void
                getHeader(arg0: java.lang.String | string): string
                getHeaders(arg0: java.lang.String | string): java.util.Collection<java.lang.String>
                getHeaderNames(): java.util.Collection<java.lang.String>
            }
        }
    }
}