import { AnyOptions, ValOrFunc } from './types';
/**
 * Get property descriptor from object or its prototype chain
 * @param obj
 * @param prop
 *
 * @category JS Object
 */
export declare function getPropertyDescriptor<T>(obj: T, prop: keyof T): PropertyDescriptor | undefined;
/**
 * Check if property is writable in object or its prototype chain
 * @param object - object to check
 * @param prop - property to check
 * @param allowWritable - allow writable properties without setter
 * @param allowAny - allow any property (even if it doesn't exist)
 *
 * @category JS Object
 */
export declare function isPropertyWritable<T>(object: T, prop: keyof T, allowWritable?: boolean, allowAny?: boolean): boolean;
/**
 * Set value only if setter exists
 * @param object - object to set
 * @param prop - property to set
 * @param value - value to set
 * @param allowWritable - allow writable properties without setter
 * @param allowAny - allow any property (even if it doesn't exist)
 *
 * @category JS Object
 */
export declare function safeSetProperty<T, K extends keyof T>(object: T | undefined | null, prop: K, value: NonNullable<T>[K], allowWritable?: boolean, allowAny?: boolean): boolean;
/**
 * Get value, but if it is a function, call it with args
 * @param s - value or function
 * @param args - arguments to pass to function
 *
 * @category JS Object
 */
export declare function getOrCall<T>(s: ValOrFunc<T | undefined>, ...args: any[]): T | undefined;
/**
 * Copy properties from source to dest. Similar to Object.assign, but only copies properties that exist in source, dest and propList.
 * @param source - source object
 * @param dest - destination object
 * @param propList - list of properties to copy
 *
 * @category JS Object
 */
export declare function copyProps<T = AnyOptions>(source: Record<keyof T, any>, dest: T, propList: (keyof T)[]): T;
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