import { Predicate } from './predicate';
import { Query } from '../query/query';
import { BooleanOperator } from '../boolean-operator';
/**
 * Represents a clause of {@link Predicate}s combined with a {@link BooleanOperator}.
 */
export declare class ClausePredicate extends Predicate {
    protected _operator: BooleanOperator;
    protected _bracketSubPredicateText: boolean;
    /**
     * Stores the {@link Predicate}s that this Predicate combines.
     */
    protected _predicates: Array<Predicate>;
    /**
     * Stores the resulting query of this Predicate.
     */
    protected _query: Query;
    /**
     * @param predicates Predicates that should be combined into one
     * @param _operator Operator that is used to combine the predicates
     * @param initiallyVisible whether the predicate should be initially displayed or not
     * @param _bracketSubPredicateText whether the individual sub predicates are wrapped in brackets when a textual representation
     * is generated
     */
    constructor(predicates: Array<Predicate>, _operator: BooleanOperator, initiallyVisible?: boolean, _bracketSubPredicateText?: boolean);
    get query(): Query;
    /**
     * Adds another {@link Predicate} to the clause and updates this {@link Predicate}'s {@link Query}.
     * @param newPredicate - the Predicate that should be added to the clause
     * @returns the index of the added Predicate, that can be used to remove it.
     * Note that removing predicates with a lower index shifts the order of indices.
     */
    addPredicate(newPredicate: Predicate): number;
    /**
     * Removes the {@link Predicate} at the given `index` from this clause and updates this {@link Predicate}'s {@link Query}.
     * If the `index` is invalid does nothing.
     * @param index index of the {@link Predicate} in this clause that should be removed
     * @returns whether a predicate was removed, or not
     */
    removePredicate(index: number): boolean;
    /**
     * Sets this predicate and all its sub-predicates to visible.
     */
    showAll(): void;
    /**
     * Updates the value of the [_query]{@link ClausePredicate#_query} attribute.
     *
     * See [combineQueries()]{@link Query#combineQueries} for more information.
     */
    protected updateQuery(): void;
    /**
     * @returns the `Array` of {@link Query} objects stored within this object's [_predicates]{@link ClausePredicate#_predicates} attribute.
     */
    protected get queries(): Array<Query>;
    private initializeFilterTextSegmentsGenerator;
}