import { Observable } from 'rxjs';
import * as i0 from '@angular/core';

/**
 * Indicates whether the specified value is array.
 * @param value The value to test.
 * @returns true if the value is an array, false otherwise.
 */
declare const isArray: (value: any) => boolean;
/**
 * Indicates whether the specified value is not an array.
 * @param value The value to test.
 * @returns true if the value is not an array, false otherwise.
 */
declare const isNotArray: (value: any) => boolean;
/**
 * Indicates whether the specified value is an empty array.
 * @param value The value to test.
 * @returns true if the value is an empty array, false otherwise.
 */
declare const isEmpty: (value: any) => value is [any];
/**
 * Indicates whether the specified value is an array and not empty.
 * @param value The value to test.
 * @returns true if the value is an array and not empty.
 */
declare const isNotEmpty: (value: any) => boolean;

/**
 * Indicates whether the specified value is a date. This function does not handle
 * the numeric representation of a date (it is considered invalid).
 * @param value The date to test.
 * @returns true if the value is a date, false otherwise.
 */
declare const isDate: (value: unknown) => value is Date;
/**
 * Indicates whether the specified value is not a date.
 * @param value The value to test.
 * @returns true if the value is not a date, false otherwise.
 */
declare const isNotDate: (value: unknown) => value is Date;
/**
 * Indicates whether the specified value is a date by LACERA standards where
 * 1/1/1900 is considered the default value and not a valid date.
 * @param date The date to test.
 * @returns true if the value is a LACERA date, false otherwise.
 */
declare const isDateValid: (date: unknown) => date is Date;
/**
 * Indicates whether the specified value is not a date by LACERA standards where
 * 1/1/1900 is considered the default value and not a valid date.
 * @param date The date to test.
 * @returns true if the value is a LACERA date, false otherwise.
 */
declare const isDateNotValid: (date: unknown) => date is Date;
/**
 * Indicates whether the specified value is an ISO 8601 date.
 * @param value The value to test.
 * @returns true if the value is a valid ISO 8601 date, false otherwise.
 */
declare const isDateIso: (value: unknown) => boolean;
/**
 * Indicates whether the specified value is a date and later than 1/1/1900.
 * @param date The value to test.
 * @returns true if the value is LACERA valid, false otherwise.
 */
declare const isDateLaceraValid: (date?: unknown) => boolean;
/**
 * Indicates whether the specified value is of type {@link Date}.
 * @param date The value to test.
 * @returns true if the value is a Date, false otherwise.
 */
declare const isDateObject: (date?: unknown) => boolean;
/**
 * Converts a value to a {@link Date} object if value is a valid ISO 8601 date.
 * @param value The value to convert to a date.
 * @returns The value as a {@link Date} or null if not valid.
 */
declare const toIsoDate: (value: unknown) => Date | null;
/**
 * Converts a value to a {@link Date} object if possible.
 * @param value The value to convert to a date.
 * @returns The value as a {@link Date} or null if not valid.
 */
declare const toDate: (value: unknown) => Date | null;

/**
 * Indicates whether the specified value is a number.
 * @param value The value to test.
 * @returns true if the value is a number, false otherwise.
 */
declare const isNumber: (value: any) => value is number;
/**
 * Indicates whether the specified value is not a number.
 * @param value The value to test.
 * @returns true if the value is not a number, false otherwise.
 */
declare const isNotNumber: (value: any) => value is number;
/**
 * Indicates whether the specified value is currency (including $ symbol).
 * @param value The value to test.
 * @returns true if the value is currency, false otherwise.
 */
declare const isCurrency: (value: any) => boolean;
/**
 * Converts the given value to an integer number.
 * @param value The value to convert.
 * @returns The value represented as a number or NaN.
 */
declare const toNumber: (value: any) => number;
/**
 * Converts the given value to a floating number.
 * @param value The value to convert.
 * @returns The value represented as a number or NaN.
 */
declare const toFloat: (value: any) => number;
/**
 * Removes all characters that are not digits from a string.
 * @param value The value to strip.
 * @param keepCurrency Indicates to keep currency symbols (dash, dot).
 * @returns A new string without non-digit characters.
 */
declare const stripNonNumbers: (value: any, keepCurrency?: boolean) => string;

/**
 * Indicates whether the specified value is an object.
 * @param value The value to test.
 * @returns true if the value is an object, false otherwise.
 */
declare const isObject: (value: any) => value is object;
/**
 * Indicates whether the specified value is not an object.
 * @param value The value to test.
 * @returns true if the value is not an object, false otherwise.
 */
declare const isNotObject: (value: any) => value is number;
/**
 * Indicates whether the specified value is a function.
 * @param value The value to test.
 * @returns true if the value is a function, false otherwise.
 */
declare const isFunction: (value: any) => value is Function;
/**
 * Indicates whether the specified value is not a function.
 * @param value The value to test.
 * @returns true if the value is not a function, false otherwise.
 */
declare const isNotFunction: (value: any) => value is number;
/**
 * Indicates whether the specified value is valid/present.
 * @param obj The object to test.
 * @returns true if the value is present, false otherwise.
 */
declare const isPresent: (obj: any) => boolean;
/**
 * Indicates whether the specified value is valid/present.
 * @param value The value to test.
 * @returns true if the value is present, false otherwise.
 */
declare const isInputValueEmpty: (value: any) => boolean;

declare type TbxRandomStringType = 
/** Generate a random string with only numbers. */
"Number" | 
/** Generate a random string with only letters. */
"Letters" | 
/** Generate a random string with both letters and number. */
"Alpha" | 
/** Generate a random string with valid password characters (e.g., #$@) */
"Password";
/**
 * Generate a Globally Unique ID (GUID).
 * @param useRandom4 Indicates to use a random string of 4 characters instead of
 * the window.crypto API.
 * @returns A Globally Unique ID.
 */
declare const newGuid: (useRandom4?: boolean) => string;
/**
 * Generates a random string.
 * @param length The length of the string to generate. Minimum is 1 character.
 * @param type The type of string to generate.
 * @param makeUpper Indicates to return the string in uppercase.
 * @returns The random string.
 */
declare const getString: (length: number, type?: TbxRandomStringType, makeUpper?: boolean) => string;
/**
 * Generates a random password.
 * @param length The length of the string to generate. Minimum is 1 character.
 * @returns The random password.
 */
declare const generatePassword: (length: number) => string;
/**
 * Returns a random value from the specified array of values.
 * @param values The array of values.
 * @returns One of the specified values.
 */
declare const getOneOf: <T>(values: T[]) => T;
/**
 * Simulates a coin toss.
 * @returns True 50% of the time, false the other.
 */
declare const coinToss: () => boolean;
/**
 * Generates a random number.
 * @param maxValue The exclusive upper bound of the number to be generated. It
 * defaults to 10.
 * @param minValue The exclusive lower bound of the number to be generated. It
 * defaults to 1.
 * @returns The random number.
 */
declare const getNumber: (maxValue?: number, minValue?: number) => number;

/**
 * Indicates whether the specified value is null or an empty string.
 * @param value The value to test.
 * @returns true if the value is null or an empty string.
 */
declare const isNullOrEmpty: (value: any) => boolean;
/**
 * Indicates whether the specified value is not null or not an empty string.
 * @param value The value to test.
 * @returns true if the value is not null nor an empty string.
 */
declare const isNotNullOrEmpty: (value: any) => value is string;
/**
 * Indicates whether a specified string is null, empty, or consists only of
 * white-space characters.
 * @param value The value test.
 * @returns true if the string is null, empty, or consists only of
 * white-space characters
 */
declare const isNullOrWhiteSpace: (value: any) => value is string;
/**
 * Indicates whether a specified string is null, empty, or consists only of
 * white-space characters.
 * @param value The value test.
 * @returns true if the string is not null, not empty, nor consists only of
 * white-space characters
 */
declare const isNotNullOrWhiteSpace: (value: any) => value is string;
/**
 * Compares two strings to determine whether they contain the same case-sensitive value.
 * @param value1 The first value to test.
 * @param value2 The second value to test.
 * @returns true if the strings contain the same case-sensitive value, false otherwise.
 */
declare const equals: (value1: any, value2: any) => value1 is string;
/**
 * Determines whether two strings do not contain the same case-sensitive value.
 * @param value1 The first value to test.
 * @param value2 The second value to test.
 * @returns true if the strings do not contain the same case-sensitive value,
 * false otherwise.
 */
declare const notEquals: (value1: any, value2: any) => value1 is string;
/**
 * Determines whether two strings contain the same case-insensitive value.
 * @param value1 The first value to test.
 * @param value2 The second value to test.
 * @returns true if the strings contain the same case-insensitive value,
 * false otherwise.
 */
declare const equalsIgnoreCase: (value1: any, value2: any) => value1 is string;
/**
 * Determines whether two strings do not contain the same case-insensitive value.
 * @param value1 The first value to test.
 * @param value2 The second value to test.
 * @returns true if the strings do not contain the same case-insensitive value,
 * false otherwise.
 */
declare const notEqualsIgnoreCase: (value1: any, value2: any) => boolean;
/**
 * Removes all characters that are not digits from a string.
 * @param value The value to strip.
 * @param keepCurrency Indicates to keep currency symbols (dash, dot).
 * @returns A new string without non-digit characters.
 */
declare const stripNonDigits: (value: any, keepCurrency?: boolean) => string;
/**
 * Determines if the given value is a boolean by comparing it to typical true
 * values such as 'true', 1, '1', 'on', or 'yes' ignoring case.
 * @param value The value to check.
 * @returns true if the value is a truthy boolean, false otherwise.
 */
declare const isTrue: (value: any) => boolean;
/**
 * Determines if the given value is a valid credit card number.
 * @param value The value to check.
 * @returns isTrue if the value is a credit card number, false otherwise.
 */
declare const isCreditCard: (value: any) => boolean;
/**
 * Determines if the given value is a valid email address.
 * @param value The value to check.
 * @returns isTrue if the value is a valid email address, false otherwise.
 */
declare const isEmail: (value: any) => boolean;
/**
 * Determines whether the specified value is a valid SSN with or without dashes.
 * @param value The SSN to test.
 * @returns true if it's a valid SSN, false otherwise.
 */
declare const isSsn: (value: any) => value is string;
/**
 * Determines whether the specified value is not a valid SSN.
 * @param value The SSN to test.
 * @returns false if it's not a valid SSN, false otherwise.
 */
declare const isNotSsn: (value: any) => value is string;
/**
 * Formats the specified SSN with or without dashes (defaults to add dashes).
 * @param value The SSN to format.
 * @param addDashes Indicates whether to format with dashes (defaults to true).
 * @returns The formatted SSN if valid, otherwise the same value is returned.
 */
declare const formatSsn: (value: any, addDashes?: boolean) => string;
/**
 * Masks the SSN by showing only the last 4 digits and x for the rest. It the
 * specified SSN is invalid, it simply returns it without throwing an exception.
 * @param ssn The SSN to mask.
 * @returns The masked SSN.
 */
declare const maskSsn: (ssn: any) => string;
/**
 * Removes the specified text from the beginning of the string.
 * @param text The text to trim.
 * @param what The text to remove from the string. Defaults to an empty space.
 * @returns The text without the specified text from the start of the string.
 */
declare const trimLeft: (text: string, what?: string) => string;
/**
 * Removes the specified text from the end of the string.
 * @param text The text to trim.
 * @param what The text to remove from the string. Defaults to an empty space.
 * @returns The text without the specified text from the end of the string.
 */
declare const trimRight: (text: string, what?: string) => string;
/**
 * Remove the trailing slash from the specified string, if any.
 * @param text The text to remove the trailing slash.
 * @returns The string without the trailing slash.
 */
declare const removeTrailingSlash: (text: string) => string;
/**
 * Remove the leading slash from the specified string, if any.
 * @param text The text to remove the leading slash.
 * @returns The string without the leading slash.
 */
declare const removeLeadingSlash: (text: string) => string;
/**
 * Adds a trailing slash to the specified text if it doesn't end with one, but
 * it does not add it if the text is null.
 * @param text The text to add the trailing slash to.
 * @returns The text with a trailing slash.
 */
declare const addTrailingSlash: (text: string) => string;
/**
 * Ensures the text ends with the specified text.
 * @param text The text to ensure ends with the specified text.
 * @param what The text to end with.
 * @returns The text ending with specified text.
 */
declare const ensureEndsWith: (text: string, what: string) => string;
/**
 * Ensures the text starts with the specified text.
 * @param text The text to ensure starts with the specified text.
 * @param what The text to start with.
 * @returns The text starting with specified text.
 */
declare const ensureStartsWith: (text: string, what: string) => string;
/**
 * Ensures the given value is not null or undefined by returning
 * an empty string if so.
 * @param value The value to check.
 * @param defaultValue The value to return if null/undefined (default to "").
 * @returns The value if it's a string, or an empty string if null or undefined.
 */
declare const ensureNotNull: (value: string | null | undefined, defaultValue?: string) => string;

interface TbxSubscriptionLike {
    unsubscribe(): void;
}
/**
 * Subscription sink that holds Observable subscriptions until unsubscribe
 * is called to release all subscriptions (usually on ngOnDestroy).
 */
declare class TbxSubSink {
    /** The list of subscriptions to maintain. */
    protected subs: TbxSubscriptionLike[];
    /**
     * Assign subscription to this sink to add it to the tracked subscriptions
     * @example
     *  this.subs.sink = observable$.subscribe(...);
     */
    set sink(subscription: TbxSubscriptionLike);
    /**
     * Add subscriptions to the tracked subscriptions
     * @example
     *  this.subs.add(observable$.subscribe(...));
     */
    add(...subscriptions: TbxSubscriptionLike[]): void;
    /**
     * Unsubscribe to all subscriptions in ngOnDestroy()
     * @example
     *   ngOnDestroy() {
     *     this.subs.unsubscribe();
     *   }
     */
    unsubscribe(): void;
}

/** Provides basic clock functions. */
declare class TbxClockService {
    /** The clock Observable. */
    private readonly clockObservable;
    /** Initializes a new instance of the {@link TbxClockService} class. */
    constructor();
    /** Gets the current date and time as an {@link Observable}. */
    get now(): Observable<Date>;
    /** Gets the current date and time. */
    get currentTime(): Date;
    static ɵfac: i0.ɵɵFactoryDeclaration<TbxClockService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TbxClockService>;
}

export { TbxClockService, TbxSubSink, addTrailingSlash, coinToss, ensureEndsWith, ensureNotNull, ensureStartsWith, equals, equalsIgnoreCase, formatSsn, generatePassword, getNumber, getOneOf, getString, isArray, isCreditCard, isCurrency, isDate, isDateIso, isDateLaceraValid, isDateNotValid, isDateObject, isDateValid, isEmail, isEmpty, isFunction, isInputValueEmpty, isNotArray, isNotDate, isNotEmpty, isNotFunction, isNotNullOrEmpty, isNotNullOrWhiteSpace, isNotNumber, isNotObject, isNotSsn, isNullOrEmpty, isNullOrWhiteSpace, isNumber, isObject, isPresent, isSsn, isTrue, maskSsn, newGuid, notEquals, notEqualsIgnoreCase, removeLeadingSlash, removeTrailingSlash, stripNonDigits, stripNonNumbers, toDate, toFloat, toIsoDate, toNumber, trimLeft, trimRight };
export type { TbxRandomStringType, TbxSubscriptionLike };