import { LogLevel } from "@autorest/common";
export declare function isIterable(target: any): target is Iterable<any>;
/**
 * Takes a configuration value that can be either an array, a single value or empty and returns an array with all values.
 * @param value Value to wrap in an array.
 * @returns Array of all the values.
 */
export declare function arrayOf<T>(value: T | T[] | undefined): T[];
export interface LogOptions {
    debug?: boolean;
    verbose?: boolean;
    level?: LogLevel | string;
}
export declare function getLogLevel(config: LogOptions): LogLevel;
export declare function isValidLogLevel(level: string): level is LogLevel;
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