export interface $AssertFunction {
    /**
     * Simple assert implementation.
     *
     * 💪 For full-blown schema-assert, use `@voltiso/assertor` instead
     *
     * 👗 For a non-stripped version, use `assert` instead
     *
     * @strip Use `@voltiso/transform/strip` to strip from production code
     */
    (condition: unknown, message?: string | undefined): asserts condition;
    defined<X>(x: X, message?: string | undefined): asserts x is X extends undefined ? never : X;
    object<X>(x: X, message?: string | undefined): asserts x is X extends object ? X : never;
}
declare const _fastAssert: $AssertFunction;
/**
 * Simple assert implementation.
 *
 * 💪 For full-blown schema-assert, use `@voltiso/assertor` instead
 *
 * 👗 For a non-stripped version, use `assert` instead
 *
 * @strip Use `@voltiso/transform/strip` to strip from production code
 */
export declare const $fastAssert: typeof _fastAssert;
/**
 * @deprecated Use `$fastAssert` instead
 * @strip Use `@voltiso/transform/strip` to strip from production code
 */
export declare const $assert: $AssertFunction;
export {};
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