export declare const STEP_KIND: { readonly START: "start"; readonly AGENT: "agent"; readonly LLM: "llm"; readonly TOOL: "tool"; readonly WRITE: "write"; readonly SUBAGENT: "subagent"; readonly IMAGE: "image"; readonly GENERIC: "generic"; }; export type StepKind = (typeof STEP_KIND)[keyof typeof STEP_KIND]; export declare const resolveStepKind: (nodeName: string | undefined) => StepKind; export declare const isInternalNodeLabel: (label: string | undefined) => boolean;