/**
 * Errors thrown by the dispatch pipeline.
 *
 * Each implements `KernelErrorClassifiable` so `kernel-api/dispatch` can
 * convert them into typed `KernelErrorPayload` values automatically.
 */
import type { KernelErrorPayload, KernelErrorClassifiable } from '@astrale-os/kernel-api';
/** A single Zod issue, normalized to the path/message the payload carries. */
type ValidationIssue = {
    path: (string | number)[];
    message: string;
};
export declare class MethodNotFoundError extends Error implements KernelErrorClassifiable {
    constructor(method: string);
    toKernelErrorPayload(): KernelErrorPayload;
}
export declare class SdkValidationError extends Error implements KernelErrorClassifiable {
    readonly issues: ValidationIssue[];
    constructor(issues: ValidationIssue[], message?: string);
    toKernelErrorPayload(): KernelErrorPayload;
}
/**
 * Thrown when a handler's return value (or a stream chunk) fails validation
 * against its `outputSchema`. This is a server/handler fault — the author's
 * code produced data that violates its own declared contract — so it maps to
 * `INTERNAL_ERROR` (→ HTTP 500), NOT the `VALIDATION_ERROR` (422) used for
 * bad caller input. Mirrors the kernel's `ResultValidationError`.
 */
export declare class SdkResultValidationError extends Error implements KernelErrorClassifiable {
    readonly issues: ValidationIssue[];
    readonly ref?: string | undefined;
    constructor(issues: ValidationIssue[], ref?: string | undefined);
    toKernelErrorPayload(): KernelErrorPayload;
}
/**
 * Thrown by a `RemoteHandler.authorize` hook to deny a call.
 *
 * Wraps any error the hook throws — handlers can throw a plain `Error` and
 * the dispatcher converts it. Already-typed `AuthorizationDeniedError`
 * instances are passed through unchanged so callers can attach hints.
 */
export declare class AuthorizationDeniedError extends Error implements KernelErrorClassifiable {
    constructor(message: string, cause?: unknown);
    toKernelErrorPayload(): KernelErrorPayload;
}
export {};
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