method HelpersService.loadFilePreviewimport { HelpersService } from "https://deno.land/x/windmill@v1.305.0/windmill-api/index.ts"; loadFilePreview(unnamed 0: { workspace: string; fileKey: string; fileSizeInBytes?: number; fileMimeType?: string; csvSeparator?: string; csvHasHeader?: boolean; readBytesFrom?: number; readBytesLength?: number; }): CancelablePromise<WindmillFilePreview>Load a preview of the file Parametersunnamed 0: { workspace: string; fileKey: string; fileSizeInBytes?: number; fileMimeType?: string; csvSeparator?: string; csvHasHeader?: boolean; readBytesFrom?: number; readBytesLength?: number; }ReturnsCancelablePromise<WindmillFilePreview>WindmillFilePreview FilePreview