export declare const LOG_LEVELS: readonly ["debug", "error", "info", "log", "trace", "warn"];
export type LogLevel = typeof LOG_LEVELS[number];
export type LogPipeResult = unknown[] | {
    level: LogLevel;
    args: unknown[];
};
export interface LogPipe<ResultType extends LogPipeResult = LogPipeResult> {
    /**
     * LogPipe is a functional interface that accepts a LogLevel and
     * a list of arguments and transforms it into another list of arguments.
     * The return is an array of transformed arguments.
     * If the log pipe needs to change the log level, it should return an object with an updated `level` field.
     */
    (level: LogLevel, ...args: any[]): ResultType;
    onInstall?: () => void;
    onUninstall?: () => void;
}
type ConsoleLogFn = (...args: any[]) => void;
/**
 *  Adds the pipe to the list of active console overrides.
 *  The pipes are called in the order they are installed.
 */
export declare function installConsoleOverride(pipe: LogPipe | Array<LogPipe>): void;
/**
 *  Adds the pipes to the list of active console overrides.
 *  The pipes are called in the order they are installed.
 */
export declare function installConsoleOverrides(...pipes: Array<LogPipe>): void;
/** Removes the given pipe from the active console overrides. */
export declare function uninstallConsoleOverride(pipe: LogPipe | Array<LogPipe>): void;
/** Removes the given pipes from the active console overrides. */
export declare function uninstallConsoleOverrides(...pipes: Array<LogPipe>): void;
/** Uninstall all existing console overrides. */
export declare function uninstallAllConsoleOverrides(): void;
/** Returns a list of all console overrides. */
export declare function getConsoleOverrides(): Array<LogPipe>;
/**
 * Returns set of console.[log] methods captured during installation of the first pipe.
 * If no pipe is installed, returns current console[log] methods.
 */
export declare function getOriginalConsoleMethods(): Record<LogLevel, ConsoleLogFn>;
export {};