import { GoogleAuth } from 'google-auth-library';
export interface ExporterOptions {
    /**
     * Optional authentication options for Google services.
     */
    auth: GoogleAuth;
}
export declare enum MetricKind {
    UNSPECIFIED = "METRIC_KIND_UNSPECIFIED",
    GAUGE = "GAUGE",
    DELTA = "DELTA",
    CUMULATIVE = "CUMULATIVE"
}
/** The value type of a metric. */
export declare enum ValueType {
    VALUE_TYPE_UNSPECIFIED = "VALUE_TYPE_UNSPECIFIED",
    INT64 = "INT64",
    DOUBLE = "DOUBLE",
    DISTRIBUTION = "DISTRIBUTION"
}
