import type { Entity, PropertyObjectWithMetadata, VersionedUrl } from "@blockprotocol/type-system";
export type FileAtUrlData = {
    description?: string;
    name?: string;
    url: string;
};
export type FileData = {
    description?: string;
    name?: string;
    file: File;
};
export type UploadFileData = FileAtUrlData | FileData;
export declare const isFileAtUrlData: (fileData: UploadFileData) => fileData is FileAtUrlData;
export declare const isFileData: (fileData: UploadFileData) => fileData is FileData;
export type RemoteFileEntityProperties = {
    "https://blockprotocol.org/@blockprotocol/types/property-type/description/"?: string;
    "https://blockprotocol.org/@blockprotocol/types/property-type/file-name/": string;
    "https://blockprotocol.org/@blockprotocol/types/property-type/mime-type/": string;
    "https://blockprotocol.org/@blockprotocol/types/property-type/file-url/": string;
};
export type RemoteFileEntity = Entity<{
    properties: RemoteFileEntityProperties;
    entityTypeIds: [VersionedUrl];
    propertiesWithMetadata: PropertyObjectWithMetadata;
}>;
export type UploadFileReturn = RemoteFileEntity;