import { type Binary, SyncActivity, type WorkflowBatchCollectionRef, type WorkflowBatchFilter, type WorkflowBatchStatus, type WorkflowBatchWhere } from '@t4h.framework/core';
import { CSV } from '../helpers/CSV.js';
export type FileJoinStatus = WorkflowBatchStatus;
export type FileJoinWhere<TOutput = unknown> = WorkflowBatchWhere<TOutput>;
type FileJoinOptionsBase<TOutput> = {
    status?: FileJoinStatus[];
    where?: FileJoinWhere<TOutput>;
};
type FileJoinOptionsLines<TOutput> = FileJoinOptionsBase<TOutput> & {
    format: 'lines';
    header?: string;
    separator?: string;
};
type FileJoinOptionsEntries<TOutput> = FileJoinOptionsBase<TOutput> & {
    format: 'entries';
};
type FileJoinOptionsCsv<TOutput> = FileJoinOptionsBase<TOutput> & {
    format: 'csv';
    columns: CSV.Column[];
    delimiter?: string;
    header?: boolean;
};
export type FileJoinOptions<TOutput = unknown> = FileJoinOptionsLines<TOutput> | FileJoinOptionsEntries<TOutput> | FileJoinOptionsCsv<TOutput>;
export type FileJoinActivityInput = {
    batch: string;
    options: FileJoinOptions;
    filter?: WorkflowBatchFilter;
};
export declare class FileJoinActivity extends SyncActivity<readonly [batch: WorkflowBatchCollectionRef, options: FileJoinOptions], FileJoinActivityInput, Binary, Binary> {
    private readonly claims;
    toInput(batch: WorkflowBatchCollectionRef, options: FileJoinOptions): FileJoinActivityInput;
    run({ batch, options, filter, }: FileJoinActivityInput): Promise<Binary>;
    toOutput(output: Binary): Binary;
    private toStatus;
    private writeHeader;
    private toLine;
}
export declare function join<TOutput = unknown>(batch: WorkflowBatchCollectionRef, options: FileJoinOptions<TOutput>): Promise<Binary>;
export {};
//# sourceMappingURL=FileJoinActivity.d.ts.map