/**
 * Safe unwrapping of `unknown` catch values.
 *
 * A `catch` binding is `unknown` — touching `.message` on it is unsound, and
 * `String(error)` on a plain object yields the useless `"[object Object]"`.
 * This is the one canonical unwrap for the whole fleet.
 */
/**
 * Mask credentials before they reach a toast or the clipboard.
 *
 * `showError` displays this text AND copies it, so anything here can end up in a
 * screenshot or pasted into a GitHub issue. A thrown HTTP/SDK error routinely
 * carries `authorization` headers, `x-api-key`, or a token in a URL — the
 * 2026-07-25 check found a realistic Anthropic 401 shape putting a live
 * `sk-ant-…` key into both.
 *
 * Mirrors the redaction in `@chrismessina/raycast-logger`, deliberately: the two
 * packages protect the same secrets from the same payloads.
 */
export declare function redactSecrets(text: string): string;
/**
 * Turn any thrown value into a human-readable string.
 *
 * Replaces the hand-written `error instanceof Error ? error.message : String(error)`
 * ternary (98 occurrences across 16 extensions as of 2026-07-25), and additionally
 * handles the cases that bare ternary gets wrong.
 *
 * @example
 * getErrorMessage(new Error("Boom"))        // "Boom"
 * getErrorMessage("just a string")         // "just a string"
 * getErrorMessage({ message: "from API" }) // "from API"
 * getErrorMessage(null)                    // "An unknown error occurred."
 * getErrorMessage({ a: 1 })                // '{"a":1}'  — never "[object Object]"
 */
export declare function getErrorMessage(error: unknown): string;
/**
 * `true` when the value is an abort/cancellation rather than a real failure.
 *
 * Aborted requests are the single most common false-positive failure toast: a
 * user types another keystroke, the in-flight `AbortController` fires, and the
 * `catch` shows an error for something that worked exactly as designed.
 * `AbortController` appears in 8 extensions, so this guard is load-bearing.
 *
 * @example
 * try { await fetch(url, { signal }); }
 * catch (error) { if (!isAbortError(error)) await showError(error, { title: "Search failed" }); }
 */
export declare function isAbortError(error: unknown): boolean;
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