/*!
 * Paradigm Framework - Angular Wrapper
 * Copyright (c) 2017 Miracle Devs, Inc
 * Licensed under MIT (https://github.com/MiracleDevs/Paradigm.Web.Shared/blob/master/LICENSE)
 */
import { ServiceBase } from './base.service';
/**
 * Represents a log provider.
 * The interface was specifically made to
 * match the one from @see console that is
 * the default provider used by @see LoggingService.
 */
export interface ILogProvider {
    /**
     * Adds a trace log.
     * @param message the message to be logged.
     */
    trace(message: string): void;
    /**
     * Adds a debug log.
     * @param message the message to be logged.
     */
    debug(message: string): void;
    /**
     * Adds an info log.
     * @param message the message to be logged.
     */
    info(message: string): void;
    /**
     * Adds a warn log.
     * @param message the message to be logged.
     */
    warn(message: string): void;
    /**
     * Adds an error log.
     * @param message the message to be logged.
     */
    error(message: string): void;
    /**
     * Adds a critical error log.
     * @param message the message to be logged.
     */
    critical?(message: string): void;
}
/**
 * Enumerates the types of logging entries.
 */
export declare enum LogType {
    /**
     * Represents a trace log.
     */
    Trace = 0,
    /**
     * Represents a debug log.
     */
    Debug = 1,
    /**
     * Represents an information log.
     */
    Information = 2,
    /**
     * Represents a warning log.
     */
    Warning = 3,
    /**
     * Represents an error log.
     */
    Error = 4,
    /**
     * Represents a critical error log.
     */
    Critical = 5
}
export declare class LoggingService extends ServiceBase {
    /**
     * Error message.
     */
    private static readonly typeNotRecognized;
    /**
     * An array of message templates.
     */
    private messageTemplates;
    /**
     * The minimum log type that will logged.
     * Log types smaller than this value will be ignored.
     */
    private minimumLevel;
    /**
     * A log provider.
     * By default @see console will be used.
     */
    private logProvider;
    /**
     * Creates a new instance of @see LoggingService.
     */
    constructor();
    /**
     * Sets a log provider.
     * By default @see console is used as provider.
     */
    setLogProvider(logProvider: ILogProvider): void;
    /**
     * Sets the message template for a given log type.
     * There are some predefined content placeholders the user can utilize
     * to configure the custom messages:
     *
     * {0}: The time when the log was added.
     *
     * {1}: The type of the log (Trace, Debug , Information, etc)
     *
     * {2}: A custom tag value provided by the user.
     *
     * {3}: The log message.
     */
    setMessageTemplate(type: LogType, message: string): void;
    /**
     * Sets the message template for all the types.
     * There are some predefined content placeholders the user can utilize
     * to configure the custom messages:
     *
     * {0}: The time when the log was added.
     *
     * {1}: The type of the log (Trace, Debug , Information, etc)
     *
     * {2}: A custom tag value provided by the user.
     *
     * {3}: The log message.
     */
    setMessageTemplateForAll(message: string): void;
    /**
     * Sets the minimum log level.
     * Log types smaller than this value will be ignored.
     */
    setMinimumLevel(type: LogType): void;
    /**
     * Logs the specified message.
     * @param message the message to be logged.
     * @param type the type of log entry.
     * @param tag a tag value used for further analysis.
     */
    log(message: string, type?: LogType, tag?: string): void;
    /**
     * Adds a trace log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    trace(message: string, tag?: string): void;
    /**
     * Adds a debug log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    debug(message: string, tag?: string): void;
    /**
     * Adds an information log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    information(message: string, tag?: string): void;
    /**
     * Adds a warning log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    warning(message: string, tag?: string): void;
    /**
     * Adds an error log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    error(message: string, tag?: string): void;
    /**
     * Adds a critical error log entry.
     * @param message the message to be logged.
     * @param tag a tag value for the entry.
     */
    critical(message: string, tag?: string): void;
}