export type FileSplitDelimiter = {
    value: string;
    keep?: {
        previous?: number;
        next?: number;
    };
};
export type ByteTrim = {
    start?: number;
    end?: number;
};
export type ByteRecord = {
    start: number;
    pieces: Buffer[];
};
export type SplitRecordsOptions = {
    delimiter: FileSplitDelimiter;
    trim?: ByteTrim;
    encoding?: BufferEncoding;
};
export declare const MAX_SLICE_BYTES: number;
export type ByteDelimiter = {
    bytes: Buffer;
    keepPrevious: number;
    keepNext: number;
};
export declare function toDelimiter({ value, keep }: FileSplitDelimiter, encoding: BufferEncoding): ByteDelimiter;
export declare function sliceTooLarge(start: number, sizeInBytes: number): RangeError;
export declare function splitRecords(source: AsyncIterable<Buffer>, { delimiter, trim, encoding }: SplitRecordsOptions): AsyncGenerator<ByteRecord>;
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