import { type FileEntry, type SessionHeader } from "./session-manager-types.ts";
/** Reject unsupported or incomplete trees before indexing or rewriting their header. */
export declare function validateSessionFileEntries(entries: readonly FileEntry[], path: string): SessionHeader;
export declare function createSessionId(): string;
export declare function assertValidSessionId(id: string): void;
/** Generate a unique short ID (8 hex chars, collision-checked) */
export declare function generateId(byId: {
    has(id: string): boolean;
}): string;
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