/**
 * Transition logic extracted from flow.ts.
 *
 * Computes depth/canTransition state and builds transition-related
 * prompt fragments for child flow activation.
 */
import type { FlowConfig } from "./agents.js";
export interface TransitionState {
    currentDepth: number;
    effectiveMaxDepth: number;
    canTransition: boolean;
}
export declare function computeTransitionState(parentDepth: number, maxDepth: number): TransitionState;
export declare function buildGuardLine(currentDepth: number, effectiveMaxDepth: number, preventCycles: boolean, parentFlowStack: string[]): string;
export declare function buildFlowListSection(canTransition: boolean, discoveredFlows: FlowConfig[]): string;
export declare function buildLineage(flowName: string, parentFlowStack: string[]): string;
export declare function computeChildPropagation(parentDepth: number, maxDepth: number, parentFlowStack: string[], normalizedFlowName: string): {
    nextDepth: number;
    propagatedMaxDepth: number;
    propagatedStack: string[];
};
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