import type { LightningElementConstructor } from './base-lightning-element';
type Callback = () => void;
export declare const SPACE_CHAR = 32;
export declare const EmptyObject: any;
export declare const EmptyArray: never[];
export declare function addCallbackToNextTick(callback: Callback): void;
export declare function guid(): string;
export declare function cloneAndOmitKey(object: {
    [key: string]: any;
}, keyToOmit: string): {
    [key: string]: any;
};
export declare function assertNotProd(): void;
export declare function shouldBeFormAssociated(Ctor: LightningElementConstructor): boolean;
export declare function safeHasProp<K extends PropertyKey>(obj: unknown, prop: K): obj is Record<K, unknown>;
export {};
//# sourceMappingURL=utils.d.ts.map