@Nonnull
  public PDFObjectOptions setPage (@Nullable final String sPage)
  {
    m_aPage = sPage == null ? null : JSExpr.lit (sPage);
    return this;
  }
@ Nonnull public PDFObjectOptions setPage ( @ Nullable final String sPage ) { m_aPage = sPage == null ? null : JSExpr . lit ( sPage ) ; return this ; }
Alias for PDF Open Parameters "page" option. Any number entered here will
cause the PDF be opened to the specified page number (if the browser
supports it). If left unspecified, the PDF will open on page 1.

@param sPage
Page number
@return this for chaining