export declare class AssertionError extends Error { } export declare class UnreachableError extends Error { } export declare function assert(condition: boolean, message?: string): asserts condition; export declare function assert(condition: boolean | (() => boolean), message?: string): void; export declare function assert_debug(condition: boolean, message?: string): asserts condition; export declare function assert_debug(condition: boolean | (() => boolean), message?: string): void; export declare function unreachable(msg?: string): never; //# sourceMappingURL=assert.d.ts.map