/**
 * Build Windows executable candidate paths from common installation base folders.
 * @param subdirs Relative installation subdirectories.
 * @param exe Executable file name.
 * @returns Absolute candidate executable paths.
 */
export declare function getWindowsExecutableCandidates(subdirs: string[], exe: string): string[];
/**
 * Read browser version from the given executable path or command.
 * @param binary Browser executable path or command.
 * @returns Browser version if detected, otherwise null.
 */
export declare function readBrowserVersion(binary: string): Promise<string | null>;
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