method HelpersService.loadFilePreviewimport { HelpersService } from "https://dotland.deno.dev/x/windmill@v1.415.1/windmill-api/services/HelpersService.ts"; loadFilePreview(unnamed 0: { workspace: string; fileKey: string; fileSizeInBytes?: number; fileMimeType?: string; csvSeparator?: string; csvHasHeader?: boolean; readBytesFrom?: number; readBytesLength?: number; storage?: string; }): 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; storage?: string; }ReturnsCancelablePromise<WindmillFilePreview>WindmillFilePreview FilePreview