export interface LargeFileMarker {
    file_path: string;
    file_size: number;
}
export declare const format_large_file_marker: ({ file_path, file_size, }: LargeFileMarker) => string;
export declare const parse_large_file_marker: (content: string) => LargeFileMarker | null;
export type HostTransferRejectReason = `file-too-large` | `unsupported-compression` | `unsupported-large-format`;
type HostFileTransferPlan = {
    kind: `inline`;
    is_base64: boolean;
} | {
    kind: `marker`;
    content: string;
} | {
    kind: `reject`;
    reason: HostTransferRejectReason;
    max_file_size?: number;
};
interface HostFileTransferInput extends LargeFileMarker {
    filename: string;
    large_file_threshold: number;
    max_file_size: number;
    max_text_file_size: number;
}
export declare const plan_host_file_transfer: ({ filename, file_path, file_size, large_file_threshold, max_file_size, max_text_file_size, }: HostFileTransferInput) => HostFileTransferPlan;
export {};