import type { FlowDefinition, JsonSchema } from '../types.js';
import type { FlowRegistryIndex, FlowValidationIssue } from './types.js';
import { type FlowWalk } from './walk.js';
export interface GraphSchemaInference {
    nodeOutputs: Map<string, JsonSchema | undefined>;
    nodeState: Map<string, JsonSchema | undefined>;
    issues: FlowValidationIssue[];
}
export declare function precedingIds(walk: FlowWalk, start: string, target: string): Set<string>;
export declare function inferGraphSchemas(def: FlowDefinition, index: FlowRegistryIndex): GraphSchemaInference;