import { z } from "zod";
export declare const MAX_MESSAGE_CONTENT_LENGTH = 131072;
export declare const MAX_CLIENT_COMMAND_ID_LENGTH = 128;
export declare const MAX_REFERENCE_ID_LENGTH = 256;
export declare const MAX_TARGETS_PER_MESSAGE = 32;
export declare const MAX_SUPERVISION_OBSERVERS = 4;
export declare const DEFAULT_STEERS_PER_SUBJECT_TURN = 3;
export declare const MAX_PAGE_SIZE = 500;
export declare const FORBIDDEN_WRITE_FIELDS: readonly ["from", "actor", "eventId", "provenance"];
export declare const ClientCommandIdSchema: z.ZodString;
export declare const ReferenceIdSchema: z.ZodString;
export declare const CorrelationIdSchema: z.ZodString;
export declare const AgentActorIdSchema: z.ZodString;
export declare const ActorIdSchema: z.ZodString;
export declare const MessageContentSchema: z.ZodString;
export declare const NonNegativeIntegerSchema: z.ZodNumber;
export declare const PositiveLimitSchema: z.ZodNumber;
export declare const CursorParameterSchema: z.ZodPipe<z.ZodUnion<readonly [z.ZodNumber, z.ZodPipe<z.ZodString, z.ZodTransform<number, string>>]>, z.ZodNumber>;
export declare const MessageTargetsSchema: z.ZodPipe<z.ZodArray<z.ZodString>, z.ZodTransform<string[], string[]>>;
export declare const OptionalReplyToEventIdSchema: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodString>>, z.ZodTransform<string | undefined, string | null | undefined>>;
export declare const DEFAULT_KNOWN_TARGETS: readonly ["agent:codex", "agent:grok", "agent:kimi", "agent:hermes", "agent:claude"];
export type ClientCommandId = z.infer<typeof ClientCommandIdSchema>;
export type AgentActorId = z.infer<typeof AgentActorIdSchema>;
export type ActorId = z.infer<typeof ActorIdSchema>;
export declare function canonicalContractJson(value: unknown): string;
export declare function canonicalContractHash(value: unknown): string;
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