import type { AgentMessage } from "@gajae-code/agent-core";
export type IrcMessageKind = "incoming" | "autoreply" | "relay";
export type ParsedIrcMessage = {
    observationId: string;
    from: string;
    to: string;
    text: string;
    timestamp: number;
    kind: IrcMessageKind;
};
export interface IrcMessageBlock {
    readonly sender: string;
    readonly recipient: string;
    readonly kind: "incoming" | "autoreply" | "outgoing";
    readonly time: string;
    readonly bodyLines: readonly string[];
}
export declare function projectIrcText(text: string, maxUtf8Bytes: number): {
    text: string;
    truncated: boolean;
    utf8Bytes: number;
};
/** Normalizes and bounds untrusted IRC identity fields without splitting visible graphemes. */
export declare function normalizeIrcIdentity(identity: string): string;
/** Formats IRC observations into display-neutral semantic blocks for both IRC surfaces. */
export declare function formatIrcMessageBlock(message: ParsedIrcMessage & {
    timestamp: number;
}): IrcMessageBlock;
type IrcCustomMessage = Extract<AgentMessage, {
    role: "custom";
}>;
export declare function isIrcCustomType(customType: string | undefined): customType is `irc:${IrcMessageKind}`;
/**
 * Normalizes every supported IRC custom message into its UI observation shape.
 * Legacy records have no UUID, so their immutable payload is used as a stable key.
 */
export declare function parseIrcMessage(message: IrcCustomMessage): ParsedIrcMessage | undefined;
export {};