| /** @category Operations */ |
| import type { |
| OperationDefinitionNode, |
| OperationTypeDefinitionNode, |
| } from '../language/ast'; |
| import type { GraphQLObjectType } from '../type/definition'; |
| import type { GraphQLSchema } from '../type/schema'; |
| /** |
| * Extracts the root type of the operation from the schema. This deprecated |
| * helper is retained for backwards compatibility; call |
| * `GraphQLSchema.getRootType` instead because getOperationRootType will be |
| * removed in v17. |
| * @param schema - GraphQL schema to use. |
| * @param operation - The operation definition to inspect. |
| * @returns The resolved operation root type. |
| * @example |
| * ```ts |
| * import { buildSchema, getOperationRootType } from 'graphql/utilities'; |
| * import { parse } from 'graphql/language'; |
| * |
| * const schema = buildSchema('type Query { name: String }'); |
| * const operation = parse('{ name }').definitions[0]; |
| * const rootType = getOperationRootType(schema, operation); |
| * |
| * rootType.name; // => 'Query' |
| * ``` |
| * @deprecated Please use `GraphQLSchema.getRootType` instead. Will be removed in v17 |
| */ |
| export declare function getOperationRootType( |
| schema: GraphQLSchema, |
| operation: OperationDefinitionNode | OperationTypeDefinitionNode, |
| ): GraphQLObjectType; |