export type PrincipalClass = 'owner' | 'member' | 'external';
export type AdmissionLane = 'owner' | 'public' | 'divert';
export interface PrincipalContext {
    readonly class: PrincipalClass;
    readonly lane: AdmissionLane;
    readonly canonicalId: string;
    readonly principalId?: string;
    readonly consoleEligible: boolean;
}
export interface TelegramPrincipalInput {
    readonly userId: string;
    readonly chatId: string;
    readonly chatType: string;
    readonly allowedChats: ReadonlySet<string>;
    readonly ownerUserIds?: ReadonlySet<string>;
}
export interface ConnectorPrincipalInput {
    readonly connector: string;
    readonly namespace: string;
    readonly userId: string;
    readonly ownerUserId?: string;
    readonly isDirectMessage: boolean;
}
export declare function overlayMemberPrincipal(base: PrincipalContext, row: {
    principalId: string;
    kind: 'owner' | 'member';
    status: string;
} | null): PrincipalContext;
export declare function deriveTelegramOwnerId(telegram: {
    readonly owner_user_ids?: readonly string[];
    readonly allowed_chats?: readonly string[];
}): string | null;
export declare function resolveTelegramPrincipal(input: TelegramPrincipalInput): PrincipalContext;
export declare function resolveConnectorPrincipal(input: ConnectorPrincipalInput): PrincipalContext;
export declare function makeHostPrincipal(source: string): PrincipalContext;
export declare function laneChannelId(channelId: string, lane: AdmissionLane): string;
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