import type { Language } from './languages';
declare const PositionSymbol: unique symbol;
export type ServerPosition = {
    [PositionSymbol]: never;
};
export type Message<TExtensionServerOptions, TSlowUpdateExtensionData> = ChangesMessage | CompletionsMessage | CompletionInfoMessage | SignaturesMessage | SignaturesEmptyMessage | InfotipMessage | InfotipEmptyMessage | SlowUpdateMessage<TSlowUpdateExtensionData> | OptionsEchoMessage<TExtensionServerOptions> | SelfDebugMessage | ErrorMessage | UnknownMessage;
export interface ChangesMessage {
    readonly type: 'changes';
    readonly changes: ReadonlyArray<ChangeData>;
    readonly reason: 'completion' | 'fix';
}
export interface ChangeData {
    readonly start: ServerPosition;
    readonly length: number;
    readonly text: string;
}
export interface CompletionsMessage {
    readonly type: 'completions';
    readonly span: SpanData;
    readonly completions: ReadonlyArray<CompletionItemData>;
    readonly commitChars: string;
    readonly suggestion?: CompletionSuggestionData;
}
export interface CompletionSuggestionData {
    readonly displayText: string;
}
export interface CompletionItemData {
    readonly displayText: string;
    readonly kinds: ReadonlyArray<string>;
    readonly filterText?: string;
    readonly span?: SpanData;
    readonly priority?: number;
}
export interface CompletionInfoMessage {
    readonly type: 'completionInfo';
    readonly index: number;
    readonly parts: ReadonlyArray<PartData>;
}
export interface SignaturesMessage {
    readonly type: 'signatures';
    readonly span: SpanData;
    readonly signatures: ReadonlyArray<SignatureData>;
}
export interface SignaturesEmptyMessage {
    readonly type: 'signatures';
    readonly span?: undefined;
    readonly signatures?: undefined;
}
export interface SignatureData {
    readonly parts: ReadonlyArray<SignaturePartData>;
    readonly selected?: boolean;
    readonly info?: SignatureInfoData;
}
export interface SignatureInfoData {
    readonly parts: ReadonlyArray<PartData>;
    readonly parameter?: SignatureInfoParameterData;
}
export interface SignatureInfoParameterData {
    readonly name: string;
    readonly parts: ReadonlyArray<PartData>;
}
export interface SignaturePartData extends PartData {
    readonly selected?: boolean;
}
export interface InfotipMessage {
    readonly type: 'infotip';
    readonly span: SpanData;
    readonly kinds: ReadonlyArray<string>;
    readonly sections: ReadonlyArray<InfotipSectionData>;
}
export interface InfotipEmptyMessage {
    readonly type: 'infotip';
    readonly sections?: undefined;
}
export interface InfotipSectionData {
    readonly kind: string;
    readonly parts: ReadonlyArray<PartData>;
}
export interface SlowUpdateMessage<TExtensionData> {
    readonly type: 'slowUpdate';
    readonly diagnostics: ReadonlyArray<DiagnosticData>;
    readonly x: TExtensionData;
}
export interface DiagnosticData {
    readonly id: string;
    readonly span: SpanData;
    readonly severity: DiagnosticSeverity;
    readonly message: string;
    readonly tags: ReadonlyArray<string>;
    readonly actions?: ReadonlyArray<DiagnosticActionData>;
}
export type DiagnosticSeverity = 'hidden' | 'warning' | 'error' | 'info';
export interface DiagnosticActionData {
    readonly id: number;
    readonly title: string;
}
export interface OptionsEchoMessage<TExtensionServerOptions> {
    readonly type: 'optionsEcho';
    readonly options: ServerOptions & TExtensionServerOptions;
}
export interface ServerOptions {
    language: Language;
}
export interface SelfDebugMessage {
    readonly type: 'self:debug';
    readonly log: ReadonlyArray<SelfDebugLogEntryData>;
}
export interface SelfDebugLogEntryData {
    readonly time: Date;
    readonly event: string;
    readonly message: string;
    readonly text: string;
    readonly cursor: number;
}
export interface ErrorMessage {
    readonly type: 'error';
    readonly message: string;
}
export interface UnknownMessage {
    type: '_';
}
export interface PartData {
    readonly kind: string;
    readonly text: string;
}
export interface SpanData {
    readonly start: ServerPosition;
    readonly length: number;
}
export {};