import { Entry } from 'contensis-management-api';
import { EntryBuilder } from './EntryBuilder';
import { NulledEntry } from '../models';
/**
 * Builds an entry from a payload that only supplies some of its fields
 * (`partialEntries`): every unsupplied field is carried over from the
 * existing target entry instead of being wiped. An explicit `null` is a
 * supplied value and clears the field. Existing values are copied verbatim.
 */
export declare class PartialEntryBuilder extends EntryBuilder {
    /**
     * The field keys the payload entry actually carries, resolved once
     */
    private readonly suppliedKeys;
    /**
     * Fields the payload supplies that the target content type still has a
     * place for. Anything else keeps its existing target value.
     */
    private resolveSuppliedKeys;
    /**
     * The existing target entry to merge from, or nothing to merge when there is
     * no existing entry, or the base has built a first-pass stub of the source entry
     */
    get mergeBasis(): Entry | undefined;
    /**
     * Fill every field the payload did not supply with its existing target value
     */
    toJSON(opts?: {
        firstPass: boolean;
    }): Entry;
    /**
     * Only diff `sys.schedules` when the payload supplies schedules — otherwise
     * a target entry sitting on a publish schedule would make every partial
     * update look like a change.
     */
    nullFields(e: Entry): NulledEntry;
}