import type { ClientSelectorCustomer } from './types';
export declare function getCustomerId(customer?: ClientSelectorCustomer | null): string | number | null | undefined;
export declare function isWalkInCustomer(customer?: ClientSelectorCustomer | null): boolean;
export declare function normalizeCustomer(customer?: ClientSelectorCustomer | null): {
    customer_id: string | number | null | undefined;
    name: string;
    display_name: string;
    nickname: string;
    id?: string | number | null | undefined;
    first_name?: string | undefined;
    last_name?: string | undefined;
    contacts_info?: Record<string, any> | null | undefined;
} | undefined;
export declare function extractContactsInfo(customer?: ClientSelectorCustomer | null): Record<string, any> | null;
export declare function getClientDisplayName(customer?: ClientSelectorCustomer | null): string;
export declare function getClientPrimaryContact(customer?: ClientSelectorCustomer | null): any;
export declare function getClientPhone(customer?: ClientSelectorCustomer | null): string;
export declare function getClientEmail(customer?: ClientSelectorCustomer | null): any;