export interface RegEntry {
    /** Full path to the registry branch, for example
     * HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DirectDrawEx */
    root: string;
    /** The registry key name */
    key: string;
    /** One of possible registry value types, for example REG_DWORD or REG_SZ */
    type: string;
    /** The actual value. Could be empty */
    value: string;
}
/**
 * Parses the output of the reg query command into a list of RegEntry instances
 *
 * @param output - The output of the reg query command
 * @returns List of matched RegEntry instances
 */
export declare function parseRegQueryOutput(output: string): RegEntry[];
/**
 * Lists registry tree (e.g. recursively) under the given root node.
 * The lookup is done under the same registry branch that the current process
 * system architecture.
 *
 * @param root - The registry key name, which consists of two parts:
 * - The root key: HKLM | HKCU | HKCR | HKU | HKCC
 * - The subkey under the selected root key, for example \Software\Microsoft
 * @returns List of matched RegEntry instances or an empty list
 * if either no entries were found under the given root or the root does not exist.
 */
export declare function queryRegistry(root: string): Promise<RegEntry[]>;
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