import { Exception } from "./Exception";
/**
 * The exception that is thrown when the key specified for accessing an element in a collection does not match any key in the collection.
 */
export declare class KeyNotFoundException extends Exception {
    /**
     * Initialized a new instance of the `KeyNotFoundException` class.
     *
     * @param message
     * A message that describes the current exception.
     *
     * @param innerException
     * The Exception instance that caused the current exception.
     */
    constructor(message?: string, innerException?: Exception);
}
