/**
 * graphql.ts, the knowledge GraphQL service.
 *
 * `graphql` is an optionalDependency and is reached only through
 * `graphqlModule()` / `primeGraphqlModule()` in ./graphql-schema.js. The two
 * class-static initialisers here, `buildSchema(KNOWLEDGE_GRAPHQL_SDL)` and
 * `printSchema(...)`, ran at MODULE INIT, which made an install without the
 * package a daemon that could not start rather than a GraphQL surface that
 * reports itself unavailable. They are lazily-computed accessors now, built on
 * first use and then cached, so the schema is still parsed and printed exactly
 * once per process. See ./graphql-schema.js and utils/optional-dependency.ts.
 */
import type { KnowledgeService } from './service.js';
export interface KnowledgeGraphqlAccessProfile {
    readonly operation: 'query' | 'mutation';
    readonly requiredScopes: readonly string[];
    readonly adminRequired: boolean;
}
export declare function inspectKnowledgeGraphqlAccess(source: string, operationName?: string): KnowledgeGraphqlAccessProfile;
export interface KnowledgeGraphqlExecuteInput {
    readonly query: string;
    readonly operationName?: string | undefined;
    readonly variables?: Record<string, unknown> | undefined;
    readonly admin: boolean;
    readonly scopes: readonly string[];
}
export declare class KnowledgeGraphqlService {
    private readonly service;
    private static cachedSchema;
    private static cachedSchemaSdl;
    /**
     * The parsed schema, built on first use. This was a class-static
     * initialiser, which ran `buildSchema` at module init and so required
     * `graphql`, an optionalDependency, for the module to load at all.
     */
    private static get schema();
    /** The printed schema text, computed on first use for the same reason. */
    static get schemaSdl(): string;
    constructor(service: KnowledgeService);
    get schemaText(): string;
    execute(input: KnowledgeGraphqlExecuteInput): Promise<import("graphql").ExecutionResult<import("graphql/jsutils/ObjMap.js").ObjMap<unknown>, import("graphql/jsutils/ObjMap.js").ObjMap<unknown>>>;
    private createRootValue;
}
export declare function getKnowledgeGraphqlSchemaText(): string;
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