import { OnInit } from '@angular/core';
import { MatSelect, MatSelectChange } from '@angular/material/select';
import { FieldType } from '@ngx-formly/material';
export declare class FieldSelectComponent extends FieldType implements OnInit {
    formFieldControl: MatSelect;
    defaultOptions: {
        templateOptions: {
            options: any[];
            compareWith: (o1: any, o2: any) => boolean;
        };
    };
    private selectAllValue;
    getSelectAllState(options: any[]): "" | "indeterminate" | "checked";
    toggleSelectAll(options: any[]): void;
    change($event: MatSelectChange): void;
    _getAriaLabelledby(): string | number;
    private getSelectAllValue;
}
//# sourceMappingURL=field-select.component.d.ts.map