import { MemoryResource } from '@rapidsai/rmm';
import { Series } from '../series';
import { DataType, Int32, List, Utf8String } from '../types/dtypes';
/**
 * A Series of lists of values.
 */
export declare class ListSeries<T extends DataType> extends Series<List<T>> {
    /** @ignore */
    _castAsString(memoryResource?: MemoryResource): Series<Utf8String>;
    /**
     * Series of integer offsets for each list
     * @example
     * ```typescript
     * import {Series} from '@rapidsai/cudf';
     * import * as arrow from 'apache-arrow';
     *
     * const vec = arrow.vectorFromArray(
     *   [[0, 1, 2], [3, 4, 5], [6, 7, 8]],
     *   new arrow.List(arrow.Field.new({ name: 'ints', type: new arrow.Int32 })),
     * );
     * const a = Series.new(vec);
     *
     * a.offsets // Int32Series [0, 3, 6, 9]
     * ```
     */
    get offsets(): import("./integral").Int32Series;
    /**
     * Series containing the elements of each list
     * @example
     * ```typescript
     * import {Series} from '@rapidsai/cudf';
     * import * as arrow from 'apache-arrow';
     *
     * const vec = arrow.vectorFromArray(
     *   [[0, 1, 2], [3, 4, 5], [6, 7, 8]],
     *   new arrow.List(arrow.Field.new({ name: 'ints', type: new arrow.Int32 })),
     * );
     * const a = Series.new(vec);
     *
     * a.elements // Int32Series [0, 1, 2, 3, 4, 5, 6, 7, 8]
     * ```
     */
    get elements(): Series<T>;
    /**
     * Return a value at the specified index to host memory
     *
     * @param index the index in this Series to return a value for
     *
     * @example
     * ```typescript
     * import {Series} from "@rapidsai/cudf";
     *
     * // Series<List<Float64>>
     * Series.new([[1, 2], [3]]).getValue(0) // Series([1, 2])
     *
     * // Series<List<Utf8String>>
     * Series.new([["foo", "bar"], ["test"]]).getValue(1) // Series(["test"])
     *
     * // Series<List<Bool8>>
     * Series.new([[false, true], [true]]).getValue(2) // throws index out of bounds error
     * ```
     */
    getValue(index: number): any;
    /**
     * @summary Flatten the list elements.
     */
    flatten(memoryResource?: MemoryResource): Series<T>;
    /**
     * @summary Flatten the list elements and return a Series of each element's position in
     * its original list.
     */
    flattenIndices(memoryResource?: MemoryResource): Series<Int32>;
}
//# sourceMappingURL=list.d.ts.map