import type { CramFileBlock } from '../file.ts';
import type { DataType } from './dataSeriesTypes.ts';
import type CramSlice from '../slice/index.ts';
export interface DataTypeMapping {
    byte: number;
    int: number;
    long: number;
    byteArray: Uint8Array;
}
export interface Cursor {
    bitPosition: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7;
    bytePosition: number;
}
export interface PreDecodedIntBlock {
    values: Int32Array;
    index: number;
}
export interface Cursors {
    lastAlignmentStart: number;
    coreBlock: Cursor;
    externalBlocks: {
        getCursor: (contentId: number) => Cursor;
    };
    preDecodedIntBlocks?: Map<number, PreDecodedIntBlock>;
}
export default abstract class CramCodec<TResult extends DataType = DataType, TParameters = unknown> {
    parameters: TParameters;
    dataType: DataType;
    constructor(parameters: TParameters, dataType: TResult);
    abstract decode(slice: CramSlice, coreDataBlock: CramFileBlock, blocksByContentId: Record<number, CramFileBlock>, cursors: Cursors): DataTypeMapping[TResult];
    getBytesSubarray(_blocksByContentId: Record<number, CramFileBlock>, _cursors: Cursors, _length: number): Uint8Array | undefined;
}