/**
 * The severity of an error.
 */
export declare const SEVERITY: {
    readonly Warning: "Warning";
    readonly Error: "Error";
    readonly Critical: "Critical";
};
export type Severity = (typeof SEVERITY)[keyof typeof SEVERITY];
/**
 * Base class for all Traceloop errors.
 */
export declare class TraceloopError extends Error {
    /**
     * The severity of the error.
     */
    severity: Severity;
    /**
     * The underlying cause of the error.
     */
    underlyingCause?: Error;
    constructor(message: string, severity?: Severity);
}
export declare class NotInitializedError extends TraceloopError {
    constructor();
}
export declare class InitializationError extends TraceloopError {
    constructor(message?: string, cause?: Error);
}
export declare class ArgumentNotProvidedError extends TraceloopError {
    constructor(argumentName: string);
}
export declare class PromptNotFoundError extends TraceloopError {
    constructor(key: string);
}
//# sourceMappingURL=index.d.ts.map