arrayToString (input: string[]): string

changeSubstringColor (value: any, key: string): any

jalaliTime (date: string): string

jalali (val: Date): string

filter (value: any, key: string, propNames: string[]): any[]

transformErrors (value: UntypedFormGroup, key?: string): BusinessError[] interface BusinessError { type: string; subject: string; message: string; params?: Object; }

numberToArray (value: any): number[]

pointToSlash (input: string): string

price (value: any): string

recursiveFilter (value: any, key?: string, propNames?: string[], childrenProp?: string, isOpenPropName?: string, showPropName?: string): any

substring (text: string, length = 30): string

time (time: TimeModel,showSecond = false): string

undefinedFormatter (value: any): string