import { type Binary, SyncActivity } from '@t4h.framework/core';
export type FileReadOptions = {
    range?: {
        start: number;
        end: number;
    };
    encoding?: BufferEncoding;
};
export type FileReadActivityInput = {
    binary: Binary;
    options: FileReadOptions;
};
export declare class FileReadActivity extends SyncActivity<readonly [binary: Binary, options: FileReadOptions], FileReadActivityInput, string, string> {
    private readonly claims;
    toInput(binary: Binary, options: FileReadOptions): FileReadActivityInput;
    run({ binary, options, }: FileReadActivityInput): Promise<string>;
    toOutput(output: string): string;
    private slice;
    private window;
    private collect;
}
export declare function read(binary: Binary, options?: FileReadOptions): Promise<string>;
//# sourceMappingURL=FileReadActivity.d.ts.map