import type { Event } from '@difizen/mana-common';
import { PauseableEmitter } from '@difizen/mana-common';
import type { CommandRegistry } from '../../command/index';
import type { CommandContribution } from '../../command/index';
import { IConfigurationService } from './configuration/configuration';
import type { IContext, IContextKeyChangeEvent, IContextKeyServiceTarget, ContextKeyExpression, IContextKey } from './contextkey';
import { IContextKeyService } from './contextkey';
export declare class Context implements IContext {
    protected _parent: Context | null;
    protected _value: Record<string, any>;
    protected _id: number;
    constructor(id: number, parent: Context | null);
    setValue(key: string, value: any): boolean;
    removeValue(key: string): boolean;
    getValue<T>(key: string): T | undefined;
    updateParent(parent: Context): void;
    collectAllValues(): Record<string, any>;
}
export declare abstract class AbstractContextKeyService implements IContextKeyService {
    _serviceBrand: undefined;
    protected _isDisposed: boolean;
    protected _myContextId: number;
    protected _onDidChangeContext: PauseableEmitter<IContextKeyChangeEvent>;
    readonly onDidChangeContext: Event<IContextKeyChangeEvent>;
    constructor(myContextId: number);
    get contextId(): number;
    abstract dispose(): void;
    createKey<T>(key: string, defaultValue: T | undefined): IContextKey<T>;
    bufferChangeEvents(callback: () => void): void;
    createScoped(domNode: IContextKeyServiceTarget): IContextKeyService;
    createOverlay(overlay?: Iterable<[string, any]>): IContextKeyService;
    contextMatchesRules(rules: ContextKeyExpression | undefined): boolean;
    getContextKeyValue<T>(key: string): T | undefined;
    setContext(key: string, value: any): void;
    removeContext(key: string): void;
    getContext(target: IContextKeyServiceTarget | null): IContext;
    abstract getContextValuesContainer(contextId: number): Context;
    abstract createChildContext(parentContextId?: number): number;
    abstract disposeContext(contextId: number): void;
    abstract updateParent(parentContextKeyService?: IContextKeyService): void;
}
export declare class VSContextKeyService extends AbstractContextKeyService implements IContextKeyService, CommandContribution {
    private _lastContextId;
    private readonly _contexts;
    private readonly _toDispose;
    configurationService: IConfigurationService;
    constructor(configurationService: IConfigurationService);
    registerCommands(commands: CommandRegistry): void;
    dispose(): void;
    getContextValuesContainer(contextId: number): Context;
    createChildContext(parentContextId?: number): number;
    disposeContext(contextId: number): void;
    updateParent(_parentContextKeyService: IContextKeyService): void;
}
export declare class OverlayContextKeyService implements IContextKeyService {
    _serviceBrand: undefined;
    private overlay;
    private parent;
    get contextId(): number;
    get onDidChangeContext(): Event<IContextKeyChangeEvent>;
    constructor(parent: AbstractContextKeyService | OverlayContextKeyService, overlay: Iterable<[string, any]>);
    bufferChangeEvents(callback: () => void): void;
    createKey<T>(): IContextKey<T>;
    getContext(target: IContextKeyServiceTarget | null): IContext;
    getContextValuesContainer(contextId: number): IContext;
    contextMatchesRules(rules: ContextKeyExpression | undefined): boolean;
    getContextKeyValue<T>(key: string): T | undefined;
    createScoped(): IContextKeyService;
    createOverlay(overlay?: Iterable<[string, any]>): IContextKeyService;
    updateParent(): void;
    dispose(): void;
}
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