import { EventEmitter, OnInit } from '@angular/core';
import { FormArray, FormBuilder, FormGroup } from '@angular/forms';
import * as i0 from "@angular/core";
export interface QueryField {
    key: string;
    label: string;
    type: string;
    options?: {
        label: string;
        value: any;
    }[];
    operators?: string[];
    defaultOperator?: string;
}
export interface QueryOperator {
    value: string;
    label: string;
    types?: string[];
}
export interface QueryConfig {
    fields: QueryField[];
    operators: QueryOperator[];
    defaultCondition?: 'and' | 'or';
}
export interface QueryRule {
    field: string;
    operator: string;
    value: any;
    condition?: 'and' | 'or';
}
export interface QueryGroup {
    condition: 'and' | 'or';
    rules: (QueryRule | QueryGroup)[];
}
export declare class QueryBuilderComponent implements OnInit {
    private fb;
    config: QueryConfig;
    queryChange: EventEmitter<QueryGroup>;
    form: FormGroup;
    model: QueryGroup;
    constructor(fb: FormBuilder);
    ngOnInit(): void;
    get rulesArray(): FormArray;
    initializeForm(): void;
    addRule(): void;
    removeRule(index: number): void;
    getFieldByKey(key: string): QueryField | undefined;
    getOperatorsForType(type: string): QueryOperator[];
    getOperatorsForField(fieldKey: string): QueryOperator[];
    getFieldType(fieldKey: string): string;
    isOperatorBetween(index: number): boolean;
    getFieldOptions(fieldKey: string): {
        label: string;
        value: any;
    }[];
    onFieldChange(index: number, fieldKey: string): void;
    onOperatorChange(index: number, operator: string, fieldKey: string): void;
    /**
     * Gets the minimum allowed date for the end date picker based on the selected start date
     * @param index The index of the rule row
     * @returns The minimum date for the end date picker (the start date or today if no start date)
     */
    getMinEndDate(index: number): Date | null;
    /**
     * Handles changes to the start date
     * @param index The index of the rule row
     * @param event The date change event
     */
    onStartDateChange(index: number, event: any): void;
    updateFormControlsForOperator(index: number, operator: string, fieldType: string): void;
    transformFormToModel(formValue: any): QueryGroup;
    /**
     * Gets the condition for a specific row
     * @param index The index of the row
     * @returns The condition (and/or) for the row
     */
    getRowCondition(index: number): 'and' | 'or';
    /**
     * Sets the condition for a specific row
     * @param index The index of the row
     * @param condition The condition to set (and/or)
     */
    setRowCondition(index: number, condition: 'and' | 'or'): void;
    toggleCondition(): void;
    getConditionLabel(): string;
    resetQuery(): void;
    applyQuery(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<QueryBuilderComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<QueryBuilderComponent, "sa-query-builder", never, { "config": { "alias": "config"; "required": false; }; }, { "queryChange": "queryChange"; }, never, never, true, never>;
}