/**
 * Custom error types for the Qoder Agent SDK.
 */
import type { SDKResultMessage } from '../protocol/messages.js';
/** JSONL 帧超过传输预算；输入与输出使用不同错误码，避免把执行端输出问题归因于用户输入。 */
export declare class FrameTooLargeError extends Error {
    readonly direction: 'input' | 'output';
    readonly limit: number;
    readonly actualBytes: number;
    readonly source: string;
    /** 写入前被拒绝的用户输入 UUID；输出帧或控制帧不提供此字段。 */
    readonly inputMessageUuid?: string | undefined;
    readonly code: 'SDK_INPUT_TOO_LARGE' | 'SDK_OUTPUT_TOO_LARGE';
    constructor(direction: 'input' | 'output', limit: number, actualBytes: number, source: string, 
    /** 写入前被拒绝的用户输入 UUID；输出帧或控制帧不提供此字段。 */
    inputMessageUuid?: string | undefined);
}
/** CLI 在初始化完成前返回失败结果时抛出，保留原始提示、错误码和结果。 */
export declare class QoderCliInitializationError extends Error {
    readonly code: number | string | undefined;
    readonly result: SDKResultMessage;
    constructor(result: SDKResultMessage);
}
/**
 * Thrown when an operation is aborted, typically via an AbortSignal.
 * Mirrors the built-in DOMException AbortError semantics.
 */
export declare class AbortError extends Error {
    constructor(message?: string);
}
/**
 * Thrown when the CLI's wire protocol version is incompatible with the
 * version this SDK was built against (cross-major mismatch).
 *
 * The major version of `WIRE_PROTOCOL_VERSION` (defined in `src/protocol/version.ts`)
 * is the compatibility boundary: any breaking change to a wire field
 * (rename / removal / type semantics) forces a major bump. SDK builds
 * against a specific major and refuses to communicate with CLIs that
 * announce a different one.
 */
/**
 * Thrown when the resolveModel callback does not return within
 * the configured `resolveModelTimeoutMs` window. The SDK does NOT
 * silently fall back — callers must handle this error (retry with a
 * fixed model, surface to the user, etc.).
 */
export declare class ModelPolicyTimeoutError extends Error {
    readonly timeoutMs: number;
    constructor(timeoutMs: number);
}
export declare class ProtocolVersionMismatchError extends Error {
    readonly cliProtocolVersion: string;
    readonly sdkProtocolVersion: string;
    constructor(cliProtocolVersion: string, sdkProtocolVersion: string);
}
/**
 * Thrown when an SDK operation requires a protocol capability that the
 * running qodercli process did not advertise in its system/init message.
 */
export declare class UnsupportedCliCapabilityError extends Error {
    readonly capability: string;
    constructor(capability: string);
}
/** Stable code for an outbound control request whose local timeout elapsed. */
export declare const CONTROL_REQUEST_TIMEOUT_CODE = "CONTROL_REQUEST_TIMEOUT";
/**
 * Thrown when the runtime rejects an SDK control request.
 *
 * `retryable` is true only when the runtime guarantees that retrying the
 * original control operation will not duplicate an operation already applied
 * by the Worker.
 */
export declare class ControlRequestError extends Error {
    readonly requestId: string;
    readonly code: string | undefined;
    readonly retryable: boolean;
    readonly details: Record<string, unknown> | undefined;
    constructor(options: {
        requestId: string;
        message: string;
        code?: string;
        retryable?: boolean;
        details?: Record<string, unknown>;
    });
}