export type Green = {
    asked?: string;
    commit: string;
    finishedAt: string;
    tier: string;
    tree: string;
};
export declare const greenFileOf: (tier: string) => string;
export declare const toolGreenFileOf: (name: string) => string;
export declare const recordGreen: (cwd: string, tier: string, tree: string, asked?: string) => void;
export declare const recordToolGreen: (cwd: string, name: string, tree: string, asked?: string) => void;
export declare const greenOnThisTree: (cwd: string, tier: string, asked?: string) => Green | undefined;
export declare const toolGreenOnThisTree: (cwd: string, name: string, asked?: string) => Green | undefined;