/**
 * The session-key oracle (SH0).
 *
 * ONE function that turns a platform message's identity into a canonical,
 * stable key. Every shuttle calls this — it is the conformance oracle for
 * "one brain, one thread per person, no context bleed." Never re-implement
 * keying anywhere else.
 *
 * Format:  `ownware:<profile>:<channel>:<chatType>:<chatId>[:thread:<threadId>][:user:<userId>]`
 *
 *   ownware:acme-support:telegram:dm:12345
 *   ownware:acme-support:slack:channel:C0ABC:thread:1712345678.9001
 *   ownware:acme-support:whatsapp:group:120363@g.us:user:15551234567   (groupPerUser)
 */
import type { SessionKeyParts, SessionKeyOptions } from './types.js';
/**
 * Build the canonical session key for one conversation.
 * @throws {Error} if `profile`, `channel`, or `chatId` is empty.
 */
export declare function sessionKey(parts: SessionKeyParts, opts?: SessionKeyOptions): string;
/** True if a string looks like a session key this oracle produced. */
export declare function isSessionKey(value: string): boolean;
/**
 * The stable prefix for every conversation of one agent on one channel —
 * useful for listing/scoping all threads for `acme-support` on `telegram`.
 */
export declare function sessionKeyPrefix(profile: string, channel: string): string;
/**
 * Parse a key back into its parts (the inverse of {@link sessionKey}).
 * Returns null if the string is not a well-formed session key. Components
 * are the sanitized forms (colons/whitespace already collapsed to `_`).
 */
export declare function parseSessionKey(value: string): SessionKeyParts | null;
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