export declare const enum ContextKeyExprType {
    False = 0,
    True = 1,
    Defined = 2,
    Not = 3,
    Equals = 4,
    NotEquals = 5,
    And = 6,
    Regex = 7,
    NotRegex = 8,
    Or = 9,
    In = 10,
    NotIn = 11
}
export interface IContextKeyExprMapper {
    mapDefined(key: string): ContextKeyExpression;
    mapNot(key: string): ContextKeyExpression;
    mapEquals(key: string, value: any): ContextKeyExpression;
    mapNotEquals(key: string, value: any): ContextKeyExpression;
    mapRegex(key: string, regexp: RegExp | null): ContextKeyRegexExpr;
    mapIn(key: string, valueKey: string): ContextKeyInExpr;
}
export interface IContextKeyExpression {
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare type ContextKeyExpression = (ContextKeyFalseExpr | ContextKeyTrueExpr | ContextKeyDefinedExpr | ContextKeyNotExpr | ContextKeyEqualsExpr | ContextKeyNotEqualsExpr | ContextKeyRegexExpr | ContextKeyNotRegexExpr | ContextKeyAndExpr | ContextKeyOrExpr | ContextKeyInExpr | ContextKeyNotInExpr);
export declare abstract class ContextKeyExpr {
    static false(): ContextKeyExpression;
    static true(): ContextKeyExpression;
    static has(key: string): ContextKeyExpression;
    static equals(key: string, value: any): ContextKeyExpression;
    static notEquals(key: string, value: any): ContextKeyExpression;
    static regex(key: string, value: RegExp): ContextKeyExpression;
    static in(key: string, value: string): ContextKeyExpression;
    static not(key: string): ContextKeyExpression;
    static and(...expr: Array<ContextKeyExpression | undefined | null>): ContextKeyExpression | undefined;
    static or(...expr: Array<ContextKeyExpression | undefined | null>): ContextKeyExpression | undefined;
    static deserialize(serialized: string | null | undefined, strict?: boolean): ContextKeyExpression | undefined;
    private static _deserializeOrExpression;
    private static _deserializeAndExpression;
    private static _deserializeOne;
    private static _deserializeValue;
    private static _deserializeRegexValue;
}
export declare class ContextKeyFalseExpr implements IContextKeyExpression {
    static INSTANCE: ContextKeyFalseExpr;
    readonly type = ContextKeyExprType.False;
    protected constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(_context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(_mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyTrueExpr implements IContextKeyExpression {
    static INSTANCE: ContextKeyTrueExpr;
    readonly type = ContextKeyExprType.True;
    protected constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(_context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(_mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyDefinedExpr implements IContextKeyExpression {
    protected readonly key: string;
    static create(key: string): ContextKeyExpression;
    readonly type = ContextKeyExprType.Defined;
    protected constructor(key: string);
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyEqualsExpr implements IContextKeyExpression {
    private readonly key;
    private readonly value;
    static create(key: string, value: any): ContextKeyExpression;
    readonly type = ContextKeyExprType.Equals;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyInExpr implements IContextKeyExpression {
    private readonly key;
    private readonly valueKey;
    static create(key: string, valueKey: string): ContextKeyInExpr;
    readonly type = ContextKeyExprType.In;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyInExpr;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyNotInExpr implements IContextKeyExpression {
    private readonly _actual;
    static create(actual: ContextKeyInExpr): ContextKeyNotInExpr;
    readonly type = ContextKeyExprType.NotIn;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyNotEqualsExpr implements IContextKeyExpression {
    private readonly key;
    private readonly value;
    static create(key: string, value: any): ContextKeyExpression;
    readonly type = ContextKeyExprType.NotEquals;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyNotExpr implements IContextKeyExpression {
    private readonly key;
    static create(key: string): ContextKeyExpression;
    readonly type = ContextKeyExprType.Not;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyRegexExpr implements IContextKeyExpression {
    private readonly key;
    private readonly regexp;
    static create(key: string, regexp: RegExp | null): ContextKeyRegexExpr;
    readonly type = ContextKeyExprType.Regex;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyRegexExpr;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyNotRegexExpr implements IContextKeyExpression {
    private readonly _actual;
    static create(actual: ContextKeyRegexExpr): ContextKeyExpression;
    readonly type = ContextKeyExprType.NotRegex;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyAndExpr implements IContextKeyExpression {
    readonly expr: ContextKeyExpression[];
    static create(_expr: ReadonlyArray<ContextKeyExpression | null | undefined>): ContextKeyExpression | undefined;
    readonly type = ContextKeyExprType.And;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    private static _normalizeArr;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class ContextKeyOrExpr implements IContextKeyExpression {
    readonly expr: ContextKeyExpression[];
    static create(_expr: ReadonlyArray<ContextKeyExpression | null | undefined>): ContextKeyExpression | undefined;
    readonly type = ContextKeyExprType.Or;
    private constructor();
    cmp(other: ContextKeyExpression): number;
    equals(other: ContextKeyExpression): boolean;
    evaluate(context: IContext): boolean;
    private static _normalizeArr;
    serialize(): string;
    keys(): string[];
    map(mapFnc: IContextKeyExprMapper): ContextKeyExpression;
    negate(): ContextKeyExpression;
}
export declare class RawContextKey<T> extends ContextKeyDefinedExpr {
    private readonly _defaultValue;
    constructor(key: string, defaultValue: T | undefined);
    bindTo(target: IContextKeyService): IContextKey<T>;
    getValue(target: IContextKeyService): T | undefined;
    toNegated(): ContextKeyExpression;
    isEqualTo(value: string): ContextKeyExpression;
    notEqualsTo(value: string): ContextKeyExpression;
}
export interface IContext {
    getValue<T>(key: string): T | undefined;
}
export interface IContextKey<T> {
    set(value: T): void;
    reset(): void;
    get(): T | undefined;
}
export interface IContextKeyServiceTarget {
    parentElement: IContextKeyServiceTarget | null;
    setAttribute(attr: string, value: string): void;
    removeAttribute(attr: string): void;
    hasAttribute(attr: string): boolean;
    getAttribute(attr: string): string | null;
}
export interface IReadableSet<T> {
    has(value: T): boolean;
}
export interface IContextKeyChangeEvent {
    affectsSome(keys: IReadableSet<string>): boolean;
}
export interface IContextKeyService {
    readonly _serviceBrand: undefined;
    dispose(): void;
    bufferChangeEvents(callback: Function): void;
    createKey<T>(key: string, defaultValue: T | undefined): IContextKey<T>;
    contextMatchesRules(rules: ContextKeyExpression | undefined): boolean;
    getContextKeyValue<T>(key: string): T | undefined;
    createScoped(target?: IContextKeyServiceTarget): IContextKeyService;
    getContext(target: IContextKeyServiceTarget | null): IContext;
    updateParent(parentContextKeyService?: IContextKeyService): void;
}
export declare const SET_CONTEXT_COMMAND_ID = "setContext";