import type { Result } from "./result";
import type { Option } from "./option";
/**
 * Schedules a microtask; falls back to Promise if unavailable.
 * Used internally for deferred error handling in unwrap chains.
 */
export declare const scheduleMicrotask: (fn: () => void) => void;
/** Type guard for Result */
export declare const isResult: (value: unknown) => value is Result<unknown, unknown>;
/** Type guard for Option */
export declare const isOption: (value: unknown) => value is Option<unknown>;
/** Type guard for Atom (boxed symbol) */
export declare const isAtom: (value: unknown) => boolean;
/** Evaluated value result type */
export type EvaluatedValue = {
    ok: true;
    value: unknown;
} | {
    ok: false;
    error: string;
};
/**
 * Extracts inner value from Slang types (Atom, Result, Option) or plain values.
 * Returns a discriminated union indicating success or failure.
 */
export declare function evaluateValue<T>(value: T): EvaluatedValue;