import type { NodeType } from './node';
/**
 * The sentinel type string used to identify GalileoCustomSpan instances.
 */
export declare const GALILEO_CUSTOM_TYPE = "galileo_custom";
/**
 * Maps an OpenAI Agents SDK SpanData type string to a Galileo node type.
 * @param spanData - The span data object with a type discriminant.
 * @returns The corresponding Galileo node type or 'galileo_custom'.
 */
export declare function mapSpanType(spanData: {
    type: string;
    [key: string]: unknown;
}): NodeType | typeof GALILEO_CUSTOM_TYPE;
/**
 * Derives a display name for a span.
 * @param spanData - The span data object.
 * @param spanType - The resolved node type.
 * @returns A human-readable display name for the span.
 */
export declare function mapSpanName(spanData: {
    type: string;
    name?: string;
    [key: string]: unknown;
}, spanType: NodeType | typeof GALILEO_CUSTOM_TYPE): string;