import { GraphQLField } from 'graphql';
import { SchemaDirectiveVisitor } from 'graphql-tools';
import { GraphQLServiceContext } from '../../typings';
export declare class Metric extends SchemaDirectiveVisitor {
    visitFieldDefinition(field: GraphQLField<any, GraphQLServiceContext>): void;
}
export declare const metricDirectiveTypeDefs = "\ndirective @metric (\n  name: String\n) on FIELD_DEFINITION\n";