/** Input to [[labelName]]. */
export interface Labels {
    /** Project environment, e.g., "staging" or "production". */
    environment: string;
    /** Project purpose, e.g., "general" or "skill". */
    purpose: string;
    /** Project user, e.g., "internal" or "customer". */
    user: string;
    /** Maximum length of string to return. */
    length?: number;
    /** Resource prefix to prepend to string. */
    resource?: string;
}
/**
 * Create valid Atomist GCP resource labels from `labels`.
 */
export declare function resourceLabels(labels: Pick<Labels, "environment" | "purpose" | "user">): Record<"atm-env" | "atm-purpose" | "atm-user", string>;
/**
 * Generate name from environment, purpose, and user. The returned
 * name will be lower cased and not exceed `labels.length`, if
 * provided. If the name is truncated to `labels.length`, it is
 * truncated to an alphanumeric character.
 *
 * @param labels components of name, see [[Labels]].
 * @return name generated from labels
 */
export declare function labelName(labels: Labels): string;
/**
 * Create array of tags from labels.  Ensure tags are lower cased.
 */
export declare function labelTags(labels: Pick<Labels, "environment" | "purpose" | "user">): string[];
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