import { Effect, Schema } from "effect";
import { Prompt } from "effect/unstable/ai";
export declare const HandoffInput: Schema.Struct<{
    readonly prompt: Schema.optionalKey<Schema.String>;
    readonly reason: Schema.optionalKey<Schema.String>;
    readonly context: Schema.optionalKey<Schema.Unknown>;
}>;
export type HandoffInput = typeof HandoffInput.Type;
export declare const HandoffOutput: Schema.Struct<{
    readonly summary: Schema.optionalKey<Schema.String>;
}>;
export type HandoffOutput = typeof HandoffOutput.Type;
declare const HandoffProjectionInvalid_base: Schema.Class<HandoffProjectionInvalid, Schema.TaggedStruct<"@batonfx/core/HandoffProjectionInvalid", {
    readonly message: Schema.String;
}>, import("effect/Cause").YieldableError>;
export declare class HandoffProjectionInvalid extends HandoffProjectionInvalid_base {
}
export type ContextProjection = (history: Prompt.Prompt, input: HandoffInput) => Effect.Effect<{
    readonly history: Prompt.Prompt;
    readonly prompt: Prompt.RawInput;
}, HandoffProjectionInvalid>;
export declare const defaultContextProjection: {
    (input: HandoffInput): (history: Prompt.Prompt) => Effect.Effect<{
        readonly history: Prompt.Prompt;
        readonly prompt: Prompt.RawInput;
    }, HandoffProjectionInvalid>;
    (history: Prompt.Prompt, input: HandoffInput): Effect.Effect<{
        readonly history: Prompt.Prompt;
        readonly prompt: Prompt.RawInput;
    }, HandoffProjectionInvalid>;
};
export declare const filterContextProjection: (predicate: (message: Prompt.Message) => boolean) => ContextProjection;
export {};