import type { FsCondition } from '@struktoai/mirage-core/errors/index';
export declare const ENOENT = 2;
export declare const EIO = 5;
export declare const EACCES = 13;
export declare const EEXIST = 17;
export declare const EINVAL = 22;
export declare const ENOTDIR = 20;
export declare const EISDIR = 21;
export declare const EROFS = 30;
export declare const ENOTEMPTY = 66;
export declare const EXDEV = 18;
/**
 * Map a mirage-native error onto a positive POSIX errno.
 *
 * Mirrors Python's `mirage.fuse.errors.classify_error` so both languages
 * report the same errno for the same backend failure. The naming lives in
 * core's `classify` (shared with the wasi shim and the monty encoders);
 * this adapter only renders the condition in host numbers. A stamped code
 * outside the vocabulary is passed through in the host's own numbering
 * (Python's raw OSError.errno passthrough), and the message needles are a
 * last resort for unstamped errors, not a classification channel.
 */
export declare function classifyErrno(err: unknown): number;
/** Same classification, negated for `@zkochan/fuse-native` callbacks. */
export declare function classifyError(err: unknown): number;
/**
 * Build an error carrying a POSIX code, so the mount core can signal a
 * specific errno without importing any adapter's numbering.
 */
export declare function errnoError(code: FsCondition, message: string): Error;
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