export type WorkbookSourceFormat = "xlsx" | "csv" | "parquet";
export interface WorkbookFormatHint {
    fileName?: string;
    mimeType?: string;
}
export declare function detectWorkbookFormatFromBytes(bytes: ArrayBuffer | ArrayBufferView): WorkbookSourceFormat | undefined;
export declare function detectWorkbookFormatFromHint(hint: WorkbookFormatHint): WorkbookSourceFormat | undefined;
export declare function resolveWorkbookFormat(explicit: WorkbookSourceFormat | "auto" | undefined, bytes: ArrayBuffer | ArrayBufferView | undefined, hint?: WorkbookFormatHint): WorkbookSourceFormat;