/**
 * Build error event data object.
 * Used by both logfmt and json formatters.
 */
export declare function buildErrorData(event: any): Record<string, any>;
/**
 * Build log event data object.
 * Used by both logfmt and json formatters.
 */
export declare function buildLogData(log: any): Record<string, any>;
/**
 * Build trace/transaction event data object.
 * Used by both logfmt and json formatters.
 */
export declare function buildTraceData(event: any): Record<string, any>;