export interface ErrorMeta {
    error: {
        kind: string;
        message: string;
        stack?: string;
    };
}
/**
 * Primitive-only attribute map. Forwarded to OTel log attributes (Datadog
 * facets), so values must stay low-cardinality-friendly (enums/ids/numbers),
 * not free-form text.
 */
type LogAttributes = Record<string, string | number | boolean>;
export interface Logger {
    debug: (...messages: unknown[]) => void;
    info: (...messages: unknown[]) => void;
    warn: (...messages: unknown[]) => void;
    /**
     * Emit an INFO-level log whose structured attributes are exported as OTel
     * log attributes (Datadog facets) instead of being flattened into the
     * message body. Plain `info()` joins every argument into one body string, so
     * attributes passed to it are never queryable.
     */
    infoStructured?: (message: string, attributes: LogAttributes) => void;
    /**
     * Emit a WARN-level log whose structured attributes are exported as OTel log
     * attributes (Datadog facets) instead of being flattened into the message
     * body. Use for machine-queryable warn events such as stream stalls.
     */
    warnStructured?: (message: string, attributes: LogAttributes) => void;
    error: (message: string, meta?: ErrorMeta) => void;
}
export declare function getLogger(loggerOverride?: (...messages: unknown[]) => void): Logger;
export declare function getErrorMeta(error: unknown): ErrorMeta;
export {};
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