import type { FlowStepSite } from '../check/flow-step-site.js';
import { type EdgeClassification } from './classify-edge.js';
/** A `@flow_step` site paired with the source path it was found in. */
export interface AnalyzerEntry {
    /** Source path relative to `cwd` — the node-id prefix and the diagnostic file. */
    readonly file: string;
    readonly site: FlowStepSite;
}
export interface CardinalityViolation {
    readonly rule: string;
    readonly file: string;
    readonly line: number;
    readonly message: string;
}
export interface CardinalityResult {
    /** Structural verdict for every `@downstream` edge across the input. */
    readonly classifications: readonly EdgeClassification[];
    readonly violations: readonly CardinalityViolation[];
    /** The Q7 step cap: longest chain of `step` edges through the flow graph. */
    readonly structuralMax: number;
    /** Count of flow-step sites the analyzer classified. */
    readonly analyzed: number;
}
/** Classifies every `@downstream` edge across `entries` and derives the step cap. */
export declare function analyzeCardinality(entries: readonly AnalyzerEntry[]): CardinalityResult;
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