/**
 * Contains all methods a request / response can have
 */
export declare const METHOD: {
    /**
     * Indicates log information
     */
    readonly LOG: 1;
    /**
     * Indicates that it needs flushing i.e write the remaining stuff
     */
    readonly FLUSH: 2;
    /**
     * Indicates that the stream opened needs to be closed / re opened typically used for file rotation
     */
    readonly RELOAD: 3;
    /**
     * Close the child process
     */
    readonly SHUTDOWN: 4;
};
/**
 * Contains a set of valid methods
 */
export declare const VALID_METHODS: Set<number>;
/**
 * What value the method can be for a request
 */
export type MethodType = (typeof METHOD)[keyof typeof METHOD];
/**
 * Contains all the levels logs can be indicating there importance
 */
export declare const LOG_LEVEL: {
    /**
     * Used for information
     */
    readonly INFO: 1;
    /**
     * Used for warning
     */
    readonly WARN: 2;
    /**
     * Used for errors
     */
    readonly ERROR: 3;
    /**
     * Used for debug
     */
    readonly DEBUG: 4;
    /**
     * Used for fatal
     */
    readonly FATAL: 5;
};
/**
 * Contains a set of valid log levels
 */
export declare const VALID_LOG_LEVELS: Set<number>;
/**
 * What type the level can be for a request
 */
export type LogLevelType = (typeof LOG_LEVEL)[keyof typeof LOG_LEVEL];
/**
 * Represents a request message object used to send messages to the log stream.
 */
export type RequestLog = {
    /**
     * Request identifier. Only present when method is not "LOG".
     */
    id?: number;
    /**
     * Operation method (e.g., LOG, FLUSH, RELOAD)
     */
    method: MethodType;
    /**
     * Log severity level (e.g., INFO, WARN, ERROR). Only present when method is not "LOG".
     */
    level?: LogLevelType;
    /**
     * Message payload.
     */
    payload: string;
};
/**
 * Represents a response message object used to send responses from the log stream.
 */
export type LogResponse = {
    /**
     * Request identifier
     */
    id: number;
    /**
     * Operation method (e.g., LOG, FLUSH, RELOAD)
     */
    method: MethodType;
    /**
     * Log severity level (e.g., INFO, WARN, ERROR)
     */
    level: LogLevelType;
    /**
     * Whether the request succeeded (true) or failed (false)
     */
    success: boolean;
};
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