/**
 * Shared error code constants (browser + server safe).
 * YskError / yskError live in errors.ts (Node: uses t/tl).
 */
export declare const ErrorCodes: {
    readonly UNAUTHORIZED: "YSK_UNAUTHORIZED";
    readonly FORBIDDEN: "YSK_FORBIDDEN";
    readonly NOT_FOUND: "YSK_NOT_FOUND";
    readonly VALIDATION: "YSK_VALIDATION";
    readonly ALLOWLIST_DENIED: "YSK_ALLOWLIST_DENIED";
    readonly APPROVAL_REQUIRED: "YSK_APPROVAL_REQUIRED";
    readonly APPROVAL_PENDING: "YSK_APPROVAL_PENDING";
    readonly APPROVAL_REJECTED: "YSK_APPROVAL_REJECTED";
    readonly SANDBOX_VIOLATION: "YSK_SANDBOX_VIOLATION";
    readonly LLM_UNTRUSTED: "YSK_LLM_UNTRUSTED";
    readonly CONFIG_INVALID: "YSK_CONFIG_INVALID";
    readonly SETUP_INCOMPLETE: "YSK_SETUP_INCOMPLETE";
    readonly UPDATE_FAILED: "YSK_UPDATE_FAILED";
    readonly INTERNAL: "YSK_INTERNAL";
    /** Host mutations require YSK_EXECUTE */
    readonly NEED_EXECUTE: "YSK_NEED_EXECUTE";
    readonly NEED_ROOT: "YSK_NEED_ROOT";
    readonly RATE_LIMITED: "YSK_RATE_LIMITED";
    readonly TOTP_REQUIRED: "YSK_TOTP_REQUIRED";
    /** Host-mediated browse blocked by SSRF / mode policy */
    readonly HOST_BROWSE_SSRF: "YSK_HOST_BROWSE_SSRF";
    /** Host-browse session missing, expired, or not owned */
    readonly HOST_BROWSE_SESSION: "YSK_HOST_BROWSE_SESSION";
    /** Host-browse upstream fetch failed */
    readonly HOST_BROWSE_UPSTREAM: "YSK_HOST_BROWSE_UPSTREAM";
    /** Real browser engine requires system Chrome / Chromium */
    readonly HOST_BROWSE_NEED_CHROME: "YSK_HOST_BROWSE_NEED_CHROME";
};
export type ErrorCode = (typeof ErrorCodes)[keyof typeof ErrorCodes];
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