import { TimeToLiveConfig } from '../config';
import { ModelComponent, ValidationContext } from '../validation/validation-context';
import { Field } from './field';
import { Model } from './model';
import { RootEntityType } from './root-entity-type';
import { ScalarType } from './scalar-type';
import { FieldPath } from './field-path';
export declare class TimeToLiveType implements ModelComponent {
    readonly input: TimeToLiveConfig;
    readonly model: Model;
    readonly cascadeFields: ReadonlyArray<FieldPath>;
    readonly rootEntityType: RootEntityType | undefined;
    constructor(input: TimeToLiveConfig, model: Model);
    validate(context: ValidationContext): void;
    private validateCascadeFields;
    private validateCascadeField;
    get path(): ReadonlyArray<Field> | undefined;
    get fieldType(): ScalarType | undefined;
    get expireAfterDays(): number;
    private traversePath;
}