import { OutlineEntry } from "./types.js";
export type DiffContinuityKind = "rename";
export type DiffContinuityConfidence = "likely";
export type DiffContinuityBasis = "matching_signature_shape" | "matching_child_structure";
export declare class DiffContinuity {
    /** @internal */
    private readonly _brand;
    readonly kind: DiffContinuityKind;
    readonly confidence: DiffContinuityConfidence;
    readonly basis: DiffContinuityBasis;
    readonly symbolKind: OutlineEntry["kind"];
    readonly oldName: string;
    readonly newName: string;
    readonly oldSignature?: string;
    readonly newSignature?: string;
    constructor(opts: {
        kind: DiffContinuityKind;
        confidence: DiffContinuityConfidence;
        basis: DiffContinuityBasis;
        symbolKind: OutlineEntry["kind"];
        oldName: string;
        newName: string;
        oldSignature?: string;
        newSignature?: string;
    });
}
export declare class DiffEntry {
    /** @internal */
    private readonly _brand;
    readonly name: string;
    readonly kind: OutlineEntry["kind"];
    readonly exported?: boolean;
    readonly signature?: string;
    readonly oldSignature?: string;
    readonly childDiff?: OutlineDiff;
    /** Canonical WARP symbol identity — present only when indexed truth is available. */
    readonly identityId?: string;
    constructor(opts: {
        name: string;
        kind: OutlineEntry["kind"];
        exported?: boolean;
        signature?: string;
        oldSignature?: string;
        childDiff?: OutlineDiff;
        identityId?: string;
    });
}
export declare class OutlineDiff {
    /** @internal */
    private readonly _brand;
    readonly added: readonly DiffEntry[];
    readonly removed: readonly DiffEntry[];
    readonly changed: readonly DiffEntry[];
    readonly continuity: readonly DiffContinuity[];
    readonly unchangedCount: number;
    constructor(opts: {
        added: DiffEntry[];
        removed: DiffEntry[];
        changed: DiffEntry[];
        continuity?: DiffContinuity[];
        unchangedCount: number;
    });
}
export declare function diffOutlines(oldEntries: readonly OutlineEntry[], newEntries: readonly OutlineEntry[]): OutlineDiff;
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