export declare const MISSING_PROVIDER_CODE = "ERR_NO_PROVIDER";
export declare const AMBIGUOUS_PROVIDER_CODE = "ERR_AMBIGUOUS_PROVIDER";
export declare const PROVIDER_QUEUE_FULL_CODE = "ERR_PROVIDER_QUEUE_FULL";
export declare const MODULE_CONTEXT_INVALIDATED_CODE = "ERR_MODULE_CONTEXT_INVALIDATED";
/**
 * Error emitted when a proxy is used without an attached provider in test
 * stub mode.
 *
 * The detection contract is the type and the stable `code` property, not the
 * message text: use `instanceof MissingProviderError` or, across duplicated
 * copies of this package, {@link isMissingProviderError}.
 */
export declare class MissingProviderError extends Error {
    readonly code = "ERR_NO_PROVIDER";
    constructor(detail?: string);
}
/** Error emitted when a call cannot be routed between multiple providers. */
export declare class AmbiguousProviderError extends Error {
    readonly code = "ERR_AMBIGUOUS_PROVIDER";
    constructor(proxyIdentity: string, providers: string[]);
}
/** Error emitted when an unattached proxy's bounded queue is full. */
export declare class ProviderQueueFullError extends Error {
    readonly code = "ERR_PROVIDER_QUEUE_FULL";
    constructor(proxyIdentity: string, limit: number);
}
/**
 * Error emitted when work inherited ownership from a destroyed module.
 */
export declare class ModuleContextInvalidatedError extends Error {
    readonly code = "ERR_MODULE_CONTEXT_INVALIDATED";
    constructor(module: string);
}
/**
 * Type guard for {@link MissingProviderError}.
 *
 * Checks the stable `code` property instead of `instanceof`, so detection
 * survives realm boundaries and duplicated copies of this package.
 */
export declare function isMissingProviderError(error: unknown): error is MissingProviderError;