export interface IExpense { amount?: number; client_id?: number; custom_value1?: string; custom_value2?: string; expense_category_id?: number; expense_date?: string; payment_date?: string; payment_type_id?: number; private_notes?: string; public_notes?: string; should_be_invoiced?: boolean; tax_name1?: string; tax_name2?: string; tax_rate1?: number; tax_rate2?: number; transaction_reference?: string; vendor_id?: number; }