/** @category Execution */
import type { Maybe } from "../jsutils/Maybe.mjs";
import type { ObjMap } from "../jsutils/ObjMap.mjs";
import type { DocumentNode, FragmentDefinitionNode, OperationDefinitionNode, SubscriptionOperationDefinitionNode } from "../language/ast.mjs";
import type { GraphQLFieldResolver, GraphQLTypeResolver } from "../type/definition.mjs";
import type { GraphQLSchema } from "../type/schema.mjs";
import type { FragmentDetails } from "./collectFields.mjs";
import type { VariableValues } from "./values.mjs";
/** Arguments accepted by execute and executeSync. */
export interface ExecutionArgs {
    /** The schema used for validation or execution. */
    schema: GraphQLSchema;
    /** The parsed GraphQL document to execute. */
    document: DocumentNode;
    /** Initial root value passed to the operation. */
    rootValue?: unknown;
    /** Application context value passed to every resolver. */
    contextValue?: unknown;
    /** Runtime variable values keyed by variable name. */
    variableValues?: Maybe<{
        readonly [variable: string]: unknown;
    }>;
    /** Name of the operation to execute when the document contains multiple operations. */
    operationName?: Maybe<string>;
    /** Resolver used when a field does not define its own resolver. */
    fieldResolver?: Maybe<GraphQLFieldResolver<any, any>>;
    /** Resolver used when an abstract type does not define its own resolver. */
    typeResolver?: Maybe<GraphQLTypeResolver<any, any>>;
    /** Resolver used for the root subscription field. */
    subscribeFieldResolver?: Maybe<GraphQLFieldResolver<any, any>>;
    /** Whether suggestion text should be omitted from request errors. */
    hideSuggestions?: Maybe<boolean>;
    /** AbortSignal used to cancel execution. */
    abortSignal?: Maybe<AbortSignal>;
    /** Whether incremental execution may begin eligible work early. */
    enableEarlyExecution?: Maybe<boolean>;
    /** Execution hooks invoked during this operation. */
    hooks?: Maybe<ExecutionHooks>;
    /** Additional execution options. */
    options?: {
        /**
         * Set the maximum number of errors allowed for coercing (defaults to 50).
         *
         * @internal
         */
        maxCoercionErrors?: number;
    };
}
/**
 * Data that must be available at all points during query execution.
 *
 * Namely, schema of the type system that is currently executing,
 * and the fragments defined in the query document
 */
export interface ValidatedExecutionArgs {
    /** Schema used for execution. */
    schema: GraphQLSchema;
    /** Parsed GraphQL document being executed. */
    document: DocumentNode;
    /** Fragment definitions keyed by fragment name. */
    fragmentDefinitions: ObjMap<FragmentDefinitionNode>;
    /** Fragment details keyed by fragment name. */
    fragments: ObjMap<FragmentDetails>;
    /** Root value passed to the operation. */
    rootValue: unknown;
    /** Application context value passed to every resolver. */
    contextValue: unknown;
    /** Operation definition selected for execution. */
    operation: OperationDefinitionNode;
    /** Operation variable values with source metadata and coerced runtime values. */
    variableValues: VariableValues;
    /** Raw variable values provided by the caller before coercion. */
    rawVariableValues: Maybe<{
        readonly [variable: string]: unknown;
    }>;
    /** Resolver used for fields without an explicit resolver. */
    fieldResolver: GraphQLFieldResolver<any, any>;
    /** Resolver used for abstract types without an explicit type resolver. */
    typeResolver: GraphQLTypeResolver<any, any>;
    /** Resolver used for subscription fields without an explicit subscribe resolver. */
    subscribeFieldResolver: GraphQLFieldResolver<any, any>;
    /** Whether suggestion text should be omitted from execution errors. */
    hideSuggestions: boolean;
    /** Whether execution should use error propagation. */
    errorPropagation: boolean;
    /** External signal that may abort execution. */
    externalAbortSignal: AbortSignal | undefined;
    /** Whether incremental execution may begin eligible work early. */
    enableEarlyExecution: boolean;
    /** Execution hooks supplied by the caller. */
    hooks: ExecutionHooks | undefined;
}
/** Validated execution arguments for a subscription operation. */
export interface ValidatedSubscriptionArgs extends ValidatedExecutionArgs {
    /** Subscription operation definition selected for execution. */
    operation: SubscriptionOperationDefinitionNode;
}
/** Information passed to hooks after asynchronous execution work has finished. */
export interface AsyncWorkFinishedInfo {
    /** Validated execution arguments for the operation that finished async work. */
    validatedExecutionArgs: ValidatedExecutionArgs;
}
/** Optional hooks invoked during GraphQL execution. */
export interface ExecutionHooks {
    /** Called after all tracked asynchronous execution work has settled. */
    asyncWorkFinished?: (info: AsyncWorkFinishedInfo) => void;
}