export interface LabDefinition {
    key: string;
    defaultEnabled?: boolean;
    legacyFlagKeys?: readonly string[];
    inheritedMixedDescription?: string;
    displayName?: string;
    displayNameKey?: string;
    description?: string;
    descriptionKey?: string;
    keywords?: string;
}
export declare function defineLab(definition: LabDefinition): LabDefinition;
export declare function defineLabs(definitions: readonly LabDefinition[]): readonly LabDefinition[];
export declare function registerLabs(definitions: readonly LabDefinition[]): void;
export declare function listLabs(): readonly LabDefinition[];
export declare function getLabDefinition(key: string): LabDefinition | null;
export declare function getLabForLegacyFlag(key: string): LabDefinition | null;
export declare function _resetLabRegistryForTests(): void;