/**
 * Represents a search term for a RangeScan.
 *
 * @see {@link RangeScan}
 * @category Key-Value
 */
export declare class ScanTerm {
    /**
     * The scan term.
     *
     * @see {@link MutationState}
     */
    term: string;
    /**
     * Set to true for the scan term to be exclusive. Defaults to false (inclusive).
     */
    exclusive?: boolean;
    /**
     * @internal
     */
    constructor(term: string, exclusive?: boolean);
}
/**
 *
 * @internal
 */
export interface ScanType {
    /**
     * Returns string representation of scan type.
     */
    getScanType(): string;
}
/**
 * A RangeScan performs a scan on a range of keys with the range specified through
 * a start and end ScanTerm.
 *
 * @category Key-Value
 */
export declare class RangeScan implements ScanType {
    /**
     * RangeScan start term.
     */
    start?: ScanTerm;
    /**
     * RangeScan end term.
     */
    end?: ScanTerm;
    /**
     * @internal
     */
    constructor(start?: ScanTerm, end?: ScanTerm);
    /**
     * Returns string representation of scan type.
     */
    getScanType(): string;
}
/**
 * A SamplingScan performs a scan on a random sampling of keys with the sampling bounded by
 * a limit.
 *
 * @category Key-Value
 */
export declare class SamplingScan implements ScanType {
    /**
     * SamplingScan limit.
     */
    limit: number;
    /**
     * SamplingScan seed.
     */
    seed?: number;
    /**
     * @internal
     */
    constructor(limit: number, seed?: number);
    /**
     * Returns string representation of scan type.
     */
    getScanType(): string;
}
/**
 * A PrefixScan scan type selects every document whose ID starts with a certain prefix.
 *
 * @category Key-Value
 */
export declare class PrefixScan implements ScanType {
    /**
     * PrefixScan prefix.
     */
    prefix: string;
    /**
     * @internal
     */
    constructor(prefix: string);
    /**
     * Returns string representation of scan type.
     */
    getScanType(): string;
}