import { GenesisElement } from '@genesislcap/web-core';
import { Config, Field, Operator, Styles } from '../../types';
/**
 * Operator selector for expression rules.
 * @beta
 *
 * @fires operator-selected - Bubbled when the selected operator changes
 */
export declare class RuleOperator extends GenesisElement {
    operators: Operator[];
    operator: Operator;
    field: Field | null;
    config: Config;
    styles?: Styles;
    connectedCallback(): void;
    get allowedOperators(): Operator[];
    get groupedOperators(): (Operator | {
        optgroup: string | null;
        xs: Operator[];
    })[];
    handleOperatorChange(event: Event): void;
}
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