import * as Ajv from '@theia/core/shared/ajv';
import { JsonSchemaContribution, JsonSchemaDataStore, JsonSchemaRegisterContext } from '@theia/core/lib/browser/json-schema-store';
import { Emitter } from '@theia/core/lib/common';
import { IJSONSchema } from '@theia/core/lib/common/json-schema';
import URI from '@theia/core/lib/common/uri';
import { ProblemMatcherRegistry } from './task-problem-matcher-registry';
import { TaskDefinitionRegistry } from './task-definition-registry';
import { TaskServer } from '../common';
import { WorkspaceService } from '@theia/workspace/lib/browser';
import { JSONObject } from '@theia/core/shared/@lumino/coreutils';
export declare class TaskSchemaUpdater implements JsonSchemaContribution {
    protected readonly jsonSchemaData: JsonSchemaDataStore;
    protected readonly problemMatcherRegistry: ProblemMatcherRegistry;
    protected readonly taskDefinitionRegistry: TaskDefinitionRegistry;
    protected readonly taskServer: TaskServer;
    protected readonly workspaceService: WorkspaceService;
    protected readonly onDidChangeTaskSchemaEmitter: Emitter<void>;
    readonly onDidChangeTaskSchema: import("@theia/core/lib/common").Event<void>;
    protected readonly uri: URI;
    protected init(): void;
    registerSchemas(context: JsonSchemaRegisterContext): void;
    readonly update: () => Promise<void>;
    protected doUpdate(): void;
    validate(data: any): boolean;
    protected doValidate: Ajv.ValidateFunction | undefined;
    /**
     * Adds given task schema to `taskConfigurationSchema` as `oneOf` subschema.
     * Replaces existed subschema by given schema if the corresponding `$id` properties are equal.
     *
     * Note: please provide `$id` property for subschema to have ability remove/replace it.
     * @param schema subschema for adding to `taskConfigurationSchema`
     */
    addSubschema(schema: IJSONSchema): void;
    /**
     * Removes task subschema from `taskConfigurationSchema`.
     *
     * @param arg `$id` property of subschema
     */
    removeSubschema(arg: string): void;
    /**
     * Removes task subschema from `customSchemas`, use `update()` to apply the changes for `taskConfigurationSchema`.
     *
     * @param arg `$id` property of subschema
     * @returns `true` if subschema was removed, `false` otherwise
     */
    protected doRemoveSubschema(arg: string): boolean;
    /** Returns an array of task types that are registered, including the default types */
    getRegisteredTaskTypes(): Promise<string[]>;
    private updateSchemasForRegisteredTasks;
    /** Returns the task's JSON schema */
    getTaskSchema(): IJSONSchema & {
        default: JSONObject;
    };
    /** Gets the most up-to-date names of problem matchers from the registry and update the task schema */
    private updateProblemMatcherNames;
    private updateSupportedTaskTypes;
}
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