export type PdfViewerCommand = "print" | "download" | "enterFullscreen" | "exitFullscreen" | "goToPage" | "fitWidth" | "fitHeight" | "zoomIn" | "zoomOut" | "previewSingle" | "previewAll";
/**
 * 通过 propsStore 下发 PDF 查看器指令（与 addCommand 运行时解耦，避免 initRuntime 找不到动作）。
 * 会与已有 propsStore 条目浅合并，避免覆盖其它动态属性。
 */
export declare function dispatchPdfViewerCommand(sessionId: string, componentId: string, command: PdfViewerCommand, arg?: number): void;
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