ToolbarButtonKey: "edit-select" | "share" | "edit-text" | "edit-free-text" | "edit-ink" | "edit-square" | "edit-circle" | "edit-line" | "edit-polyline" | "edit-polygon" | "edit-stamp" | "edit-file-attachment" | "edit-richmedia" | "edit-sound" | "edit-link" | "edit-highlight" | "edit-underline" | "edit-squiggly" | "edit-strike-out" | "edit-caret" | "edit-movie" | "edit-printer-mark" | "edit-trap-net" | "edit-watermark" | "edit-3d" | "edit-projection" | "edit-rich-media" | "edit-redact" | "edit-redact-apply" | "edit-replace-text" | "edit-erase" | "edit-undo" | "edit-redo" | "new-document" | "new-page" | "delete-page" | "edit-select-field" | "share" | "edit-widget-tx-field" | "edit-widget-tx-password" | "edit-widget-tx-text-area" | "edit-widget-btn-checkbox" | "edit-widget-btn-radio" | "edit-widget-btn-push" | "edit-widget-ch-combo" | "edit-widget-ch-list-box" | "edit-widget-tx-comb" | "edit-widget-btn-submit" | "edit-widget-btn-reset" | "edit-erase-field" | "edit-undo" | "edit-redo" | "new-document" | "new-page" | "delete-page" | "edit-sign-tool" | "open" | "download" | "save" | "text-selection" | "pan" | "text-tools" | "draw-tools" | "attachment-tools" | "form-tools" | "page-tools" | "pdf-organizer" | "rotate" | "view-mode" | "theme-change" | "print" | "hide-annotations" | "form-filler" | "doc-title" | "doc-properties" | "about" | "$split" | "zoom" | "$zoom" | "$navigation" | "$fullscreen"

Toolbar button key.