/**
 * AIBP envelope utilities — create, parse, and validate AIBP messages.
 */
import type { AibpMessage, CommandPayload, ImagePayload, StatusPayload, SystemEvent, SystemPayload, TextPayload, TypingPayload, VoicePayload } from "./types.js";
export declare function text(src: string, dst: string, content: string): AibpMessage<TextPayload>;
export declare function voice(src: string, dst: string, audioBase64: string, transcript: string, durationMs?: number, chunkMeta?: {
    groupId: string;
    chunkIndex: number;
    totalChunks: number;
}): AibpMessage<VoicePayload>;
export declare function image(src: string, dst: string, imageBase64: string, mimeType: string, caption?: string): AibpMessage<ImagePayload>;
export declare function typing(src: string, dst: string, active: boolean): AibpMessage<TypingPayload>;
export declare function status(src: string, dst: string, subject: string, state: StatusPayload["state"], summary?: string): AibpMessage<StatusPayload>;
export declare function command(src: string, dst: string, cmd: string, args?: Record<string, unknown>): AibpMessage<CommandPayload>;
export declare function system(src: string, dst: string, event: SystemEvent, data?: Record<string, unknown>): AibpMessage<SystemPayload>;
export declare function parse(raw: string): AibpMessage | null;
export declare function isAibpMessage(obj: unknown): obj is AibpMessage;
export declare function serialize(msg: AibpMessage): string;
/** Extract the address type prefix (e.g., "session" from "session:ABC123") */
export declare function addressType(address: string): string;
/** Extract the address value (e.g., "ABC123" from "session:ABC123") */
export declare function addressValue(address: string): string;
/** Check if an address is a hub-local address (not a remote hub reference) */
export declare function isLocal(address: string): boolean;
/** For mesh addresses like "hub:mac-mini/session:DEF456", extract the hub and local parts */
export declare function parseMeshAddress(address: string): {
    hub: string;
    local: string;
} | null;
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