import { Scalar } from 'yaml';
/**
 * `!class` A YAML representation of JavaScript classes
 *
 * Stringified as a block literal string, prefixed with the class name.
 *
 * When parsing, a no-op class with matching name and toString() is
 * returned. It is not possible to construct an actual JavaScript class by
 * evaluating YAML, and it is unsafe to attempt.
 */
export declare const classTag: {
    identify(value: unknown): boolean;
    tag: string;
    resolve(str: string): {
        new (): {};
    };
    options: {
        defaultType: Scalar.Type;
    };
    stringify(i: Scalar<unknown>, ctx: import("yaml/util").StringifyContext, onComment: (() => void) | undefined, onChompKeep: (() => void) | undefined): string;
};