export interface CodexAccountDisplayInput {
    accountId: string;
    label?: string | null;
    loginUsername?: string | null;
    email?: string | null;
    providerAccountId?: string | null;
}
export interface CodexAdminAccountIdentity {
    id: string;
    label?: string | null;
    providerAccountId?: string | null;
}
export declare function shortCodexAccountId(accountId: string): string;
export declare function resolveCodexAccountDisplayName(input: CodexAccountDisplayInput): string;
export declare function formatCodexAccountDisplayIdentity(input: CodexAccountDisplayInput): string;
export declare function resolveCodexAdminAccount<T extends CodexAdminAccountIdentity>(accounts: readonly T[], requested: string): T;