import { PartitionKey } from "./keys";
import { Model } from "./Model";
import { Table } from "./Table";
import { ExtractFields } from "./types";
type StringKey<T> = keyof ExtractFields<T> & string;
export declare class GSI<PK extends string, SK extends string, T extends Model<any, any, any>> {
    private table;
    readonly name: string;
    private models;
    readonly partitionKeyName: StringKey<T>;
    readonly sortKeyName: StringKey<T>;
    private modelTags;
    constructor(table: Table<PK, SK>, name: string, models: T[], partitionKeyName: StringKey<T>, sortKeyName: StringKey<T>);
    key(partitionKey: string): PartitionKey<ExtractFields<T>>;
}
export declare class GSIBuilder<PK extends string, SK extends string> {
    private table;
    private name;
    constructor(table: Table<PK, SK>, name: string);
    models<T extends Model<any, any, any>>(models: T[]): GSIKeyBuilder<PK, SK, T>;
}
declare class GSIKeyBuilder<PK extends string, SK extends string, T extends Model<any, any, any>> {
    private table;
    private name;
    private models;
    private partitionKeyName?;
    constructor(table: Table<PK, SK>, name: string, models: T[]);
    partitionKey(partitionKeyName: PK | SK | StringKey<T>): this;
    sortKey(sortKeyName: PK | SK | StringKey<T>): GSI<PK, SK, T>;
}
export {};
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