export type QvacManagedErrorCode = 'UNKNOWN_MODEL' | 'DUPLICATE_MODEL' | 'MULTIPLE_DEFAULTS' | 'CLI_NOT_FOUND' | 'SERVE_SPAWN_FAILED' | 'SERVE_START_TIMEOUT' | 'SERVE_EXITED' | 'PORT_ALLOCATION_FAILED';
export declare class QvacManagedModeError extends Error {
    readonly code: QvacManagedErrorCode;
    constructor(code: QvacManagedErrorCode, message: string, options?: {
        cause?: unknown;
    });
}
export declare class UnknownManagedModelError extends QvacManagedModeError {
    readonly unknownModels: readonly string[];
    constructor(unknownModels: readonly string[]);
}
export declare class DuplicateManagedModelError extends QvacManagedModeError {
    readonly duplicateModels: readonly string[];
    constructor(duplicateModels: readonly string[]);
}
export declare class MultipleDefaultManagedModelsError extends QvacManagedModeError {
    readonly defaultModels: readonly string[];
    constructor(defaultModels: readonly string[]);
}
export declare class CliNotFoundError extends QvacManagedModeError {
    constructor(cause?: unknown);
}
export declare class ServeSpawnFailedError extends QvacManagedModeError {
    constructor(message: string, cause?: unknown);
}
export declare class ServeStartTimeoutError extends QvacManagedModeError {
    constructor(timeoutMs: number, baseURL: string);
}
export declare class ServeExitedError extends QvacManagedModeError {
    readonly exitCode: number | null;
    readonly signal: NodeJS.Signals | null;
    constructor(exitCode: number | null, signal: NodeJS.Signals | null, tail: string);
}
export declare class PortAllocationFailedError extends QvacManagedModeError {
    constructor(cause?: unknown);
}
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