export declare class BaseProperties<T extends object = object> {
    handleUnknownProperties(_unknownKeys: Set<string>, _properties: T): void;
    set(properties: T): this;
    isValid<TContext = Omit<T, 'type'>>(this: TContext, warningPrefix?: string): boolean;
    toJson<J>(this: J): T;
}
export declare class PropertiesArray<T extends BaseProperties> extends Array<T> {
    private readonly itemFactory;
    constructor(itemFactory: (new () => T) | ((params: any) => T), ...properties: object[]);
    set(properties: object[]): this;
    reset(properties: object[]): PropertiesArray<T> | undefined;
    toJson(): object[];
}
export declare function isProperties<T extends object>(value: unknown): value is BaseProperties<T>;