import type { WorkflowDefinition, WorkflowNode, WorkflowNodeConfig } from "../types.js";
export declare function isCanonicalNonEmptyString(value: unknown): value is string;
export declare function isPositiveSafeInteger(value: unknown): value is number;
/** Validate that a node ID is a canonical non-empty string. */
export declare function validateNodeId(id: string): void;
/** Reject identifiers that WHATWG URLs normalize as path navigation. */
export declare function validateWorkflowPathSegment(id: string, label: string): void;
/** Namespace child IDs and every dependency reference into the same graph. */
export declare function namespaceWorkflowNodes(prefix: string, nodes: WorkflowNode[]): WorkflowNode[];
/** Restore child IDs from one known namespace for an in-flight legacy graph. */
export declare function removeWorkflowNodeNamespace(prefix: string, nodes: WorkflowNode[]): WorkflowNode[];
/** Collect statically visible node IDs from a graph and its composite descendants. */
export declare function collectWorkflowNodeIds(nodes: WorkflowNode[]): Set<string>;
export declare function rebaseCompositeDescendants(config: WorkflowNodeConfig, oldId: string, newId: string, oldPrefix?: string, newPrefix?: string): WorkflowNodeConfig;
export declare function namespaceWorkflowDefinition(prefix: string, definition: WorkflowDefinition): WorkflowDefinition;
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