/// <reference types="node" />
import { IDatabaseEncoding } from '../../storage';
export type HeadValue = {
    hash: Buffer;
    sequence: number;
};
export declare class NullableHeadValueEncoding implements IDatabaseEncoding<HeadValue | null> {
    readonly nonNullSize: number;
    serialize(value: HeadValue | null): Buffer;
    deserialize(buffer: Buffer): HeadValue | null;
    getSize(value: HeadValue | null): number;
}
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