import { MemoryResource } from '@rapidsai/rmm';
import { DataFrame } from '../data_frame';
import { TypeMap } from '../types/mappings';
export declare type JoinKey<P extends string, T extends TypeMap, TOn extends string, Suffix extends string> = P extends TOn ? `${P}` : P extends keyof T ? `${P}${Suffix}` : `${P}`;
export declare type JoinResult<Lhs extends TypeMap, Rhs extends TypeMap, TOn extends (string & keyof Lhs & keyof Rhs), LSuffix extends string, RSuffix extends string> = {
    [P in keyof Lhs as JoinKey<string & P, Rhs, TOn, LSuffix>]: Lhs[P];
} & {
    [P in keyof Rhs as JoinKey<string & P, Lhs, TOn, RSuffix>]: Rhs[P];
};
interface JoinProps<Lhs extends TypeMap, Rhs extends TypeMap, TOn extends (string & keyof Lhs & keyof Rhs), LSuffix extends string, RSuffix extends string> {
    lhs: DataFrame<Lhs>;
    rhs: DataFrame<Rhs>;
    on: TOn[];
    lsuffix?: LSuffix;
    rsuffix?: RSuffix;
    nullEquality?: boolean;
    memoryResource?: MemoryResource;
}
export declare class Join<Lhs extends TypeMap, Rhs extends TypeMap, TOn extends (string & keyof Lhs & keyof Rhs), LSuffix extends string, RSuffix extends string> {
    private lhs;
    private rhs;
    private on;
    private lsuffix;
    private rsuffix;
    private nullEquality;
    private memoryResource?;
    constructor(props: JoinProps<Lhs, Rhs, TOn, LSuffix, RSuffix>);
    left(): DataFrame<any>;
    right(): DataFrame<any>;
    inner(): DataFrame<any>;
    outer(): DataFrame<any>;
    leftSemi(): DataFrame<Lhs>;
    leftAnti(): DataFrame<Lhs>;
}
export {};
//# sourceMappingURL=join.d.ts.map