import type { TurnControl } from '../../../types/channel.js';
import type { RunContext } from '../../../types/run-context.js';
import type { StreamMode } from './mode.js';
export interface TokenSource {
    [Symbol.asyncIterator](): AsyncIterator<{
        delta: string;
    }>;
}
export interface GateOutcome {
    blocked: boolean;
    text: string;
    reason?: string;
    control?: TurnControl;
    confidence?: number;
}
export declare function speakGated(args: {
    ctx: RunContext;
    mode: StreamMode;
    turnId: string;
    source: TokenSource;
    runGate: (fullOrSentence: string, final: boolean) => Promise<GateOutcome>;
}): Promise<{
    text: string;
    control?: TurnControl;
    confidence?: number;
}>;