import { Observable, Subject } from 'rxjs';
import { t } from './common';
import { TypedSheetState } from './TypedSheetState';
export declare class TypedSheet<T = Record<string, unknown>> implements t.ITypedSheet<T> {
    static client: (client: t.IHttpClient) => {
        load: <T_1>(ns: string | t.INsUri) => Promise<t.ITypedSheet<T_1>>;
    };
    static ctx(args: {
        fetch: t.ISheetFetcher;
        cache?: t.IMemoryCache;
        event$?: Subject<t.TypedSheetEvent>;
        dispose$?: Observable<void>;
        pool?: t.ISheetPool;
    }): t.SheetCtx;
    static load<T>(args: {
        fetch: t.ISheetFetcher;
        ns: string | t.INsUri;
        cache?: t.IMemoryCache;
        event$?: Subject<t.TypedSheetEvent>;
        pool?: t.ISheetPool;
    }): Promise<t.ITypedSheet<T>>;
    static create<T = Record<string, unknown>>(args: {
        fetch: t.ISheetFetcher;
        implements: string | t.INsUri;
        ns?: string | t.INsUri;
        cache?: t.IMemoryCache;
        event$?: Subject<t.TypedSheetEvent>;
        pool?: t.ISheetPool;
    }): Promise<t.ITypedSheet<T>>;
    private constructor();
    dispose(): void;
    private readonly _ctx;
    private readonly _errorList;
    private readonly _dispose$;
    private readonly _typeDefs;
    private _types;
    private _data;
    readonly uri: t.INsUri;
    readonly implements: t.INsUri;
    readonly state: TypedSheetState;
    readonly pool: t.ISheetPool;
    readonly dispose$: Observable<void>;
    readonly event$: Observable<t.TypedSheetEvent>;
    get isDisposed(): boolean;
    get ok(): boolean;
    get errors(): t.ITypeError[];
    get changes(): t.ITypedSheetChanges;
    get types(): {
        typename: string;
        columns: t.IColumnTypeDef<t.IType>[];
    }[];
    toString(): string;
    info<P extends t.INsProps = t.INsProps>(): Promise<{
        exists: boolean;
        ns: P;
    }>;
    data<K extends keyof T>(input: K | t.ITypedSheetDataArgs<T, K>): t.ITypedSheetData<T, K>;
    change(changes: t.ITypedSheetChanges): this;
    private throwIfDisposed;
    private isThisNamespace;
}